/*
 * LED Akademi - public site tasarim sistemi
 *
 * Kurumsal, premium, teknolojik. Bootstrap yalnizca izgara ve bosluk
 * yardimcilari icin kullanilir; gorsel dil butunuyle buradaki token'larla
 * kurulur. Acik govde + koyu vurgu bolumleri (hero, istatistik bandi,
 * son cagri, alt bilgi) ilkesiyle tasarlanmistir.
 */

/* ---------- Yazi tipleri ----------
 * Degisken (variable) woff2 dosyalari projede barindirilir; disariya istek
 * gitmez (KVKK + CSP). Inter gövde, Sora baslik. Turkce karakterler
 * latin-ext alt kumesindedir; unicode-range ile tarayici yalnizca
 * ihtiyaci olani indirir. */

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url("../fonts/inter-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
        U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191,
        U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url("../fonts/inter-latin-ext.woff2") format("woff2");
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
        U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
        U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
    font-family: "Sora";
    font-style: normal;
    font-weight: 100 800;
    font-display: swap;
    src: url("../fonts/sora-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
        U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191,
        U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
    font-family: "Sora";
    font-style: normal;
    font-weight: 100 800;
    font-display: swap;
    src: url("../fonts/sora-latin-ext.woff2") format("woff2");
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
        U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
        U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- Token'lar ---------- */

:root {
    /* Murekkep - koyu yuzeyler */
    --ink-950: #060b16;
    --ink-900: #0a1322;
    --ink-800: #101f38;
    --ink-700: #172c4e;

    /* Marka mavisi */
    --brand-700: #174a96;
    --brand-600: #1b5ab8;
    --brand-500: #2e74dd;
    --brand-300: #8ab2ec;
    --brand-100: #dfeafa;
    --brand-50: #f1f6fd;

    /* LED turkuazi - vurgu */
    --accent-600: #0a9484;
    --accent-500: #10c9ae;
    --accent-400: #35e2c5;
    --accent-100: #d9f8f1;

    /* Parlama tonlari (yalnizca koyu zeminde) */
    --glow-cyan: #4cc9f0;
    --glow-violet: #7c6bff;

    /* Notr skala - hafif soguk */
    --neutral-0: #ffffff;
    --neutral-50: #f6f8fb;
    --neutral-100: #edf1f7;
    --neutral-200: #dfe6ef;
    --neutral-300: #c6d2e0;
    --neutral-400: #93a5bb;
    --neutral-500: #62748c;
    --neutral-700: #35496a;
    --neutral-900: #0e1d33;

    /* Tipografi */
    --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-heading: "Sora", var(--font-body);

    /* Olcek */
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --shadow-xs: 0 1px 2px rgba(8, 20, 38, 0.05);
    --shadow-sm: 0 1px 2px rgba(8, 20, 38, 0.05), 0 3px 10px -2px rgba(8, 20, 38, 0.07);
    --shadow-md: 0 2px 4px rgba(8, 20, 38, 0.05), 0 10px 28px -6px rgba(8, 20, 38, 0.13);
    --shadow-lg: 0 4px 8px rgba(8, 20, 38, 0.06), 0 22px 56px -12px rgba(8, 20, 38, 0.24);

    --container: 1240px;
    --header-h: 74px;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Taban ---------- */

/* bootstrap-grid, tam surumun aksine box-sizing sifirlamasi icermez.
 * Bu olmadan "width: 100%" + padding tasima yapar (mobilde yatay kaydirma). */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* hidden ozniteligi her zaman kazanir: display tanimlayan siniflar
   (orn. .btn-cta { display: inline-flex }) tarayicinin [hidden] kuralini
   ezmesin. Sihirbaz adim dugmeleri buna guvenir. */
[hidden] {
    display: none !important;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    font-family: var(--font-body);
    color: var(--neutral-900);
    background-color: var(--neutral-0);
    line-height: 1.7;
    font-optical-sizing: auto;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.22;
    color: var(--ink-900);
    margin-top: 0;
}

/* Bootstrap tipografi yuklu degil; kullanilan yardimcilarin karsiligi */
.h4 { font-size: 1.375rem; }
.h5 { font-size: 1.125rem; }
.h6 { font-size: 0.9375rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--neutral-500); }

.text-muted { color: var(--neutral-500) !important; }
.text-center { text-align: center !important; }
.small, small { font-size: 0.875rem; }
.w-100 { width: 100% !important; }

a {
    color: var(--brand-600);
    text-underline-offset: 3px;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--brand-700);
}

::selection {
    background: var(--brand-100);
    color: var(--ink-900);
}

:focus-visible {
    outline: 3px solid var(--accent-500);
    outline-offset: 2px;
    border-radius: 4px;
}

.site-container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 1.5rem;
}

.skip-link {
    position: absolute;
    left: -9999px;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
    z-index: 200;
    padding: 0.625rem 1rem;
    background: var(--brand-600);
    color: #fff;
    border-radius: var(--radius-sm);
}

/* ---------- Ust bilgi ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 90;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(14px) saturate(1.4);
    -webkit-backdrop-filter: blur(14px) saturate(1.4);
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.site-header.is-scrolled {
    background: rgba(255, 255, 255, 0.94);
    border-bottom-color: var(--neutral-200);
    box-shadow: 0 4px 24px -12px rgba(8, 20, 38, 0.18);
}

.site-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: var(--header-h);
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: -0.02em;
    color: var(--ink-900);
    text-decoration: none;
    white-space: nowrap;
}

/* Marka ikonu: kurumsal logonun ikon kesiti (PNG kendi bicimini tasir) */
.brand-logo {
    display: block;
    width: 38px;
    height: 38px;
    object-fit: contain;
    flex-shrink: 0;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 0.125rem;
    flex-wrap: wrap;
}

.site-nav a {
    position: relative;
    padding: 0.55rem 0.8rem;
    border-radius: var(--radius-sm);
    color: var(--neutral-700);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.15s ease, background-color 0.15s ease;
}

.site-nav a:hover {
    background: var(--brand-50);
    color: var(--brand-700);
}

.site-nav a[aria-current="page"] {
    color: var(--brand-700);
    font-weight: 600;
}

.site-nav a[aria-current="page"]::after {
    content: "";
    position: absolute;
    left: 0.8rem;
    right: 0.8rem;
    bottom: 0.2rem;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--accent-500), var(--brand-500));
}

.site-header-actions {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.nav-toggle {
    display: none;
    border: 1px solid var(--neutral-300);
    background: var(--neutral-0);
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.65rem;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    color: var(--neutral-700);
}

/* ---------- Dugmeler ---------- */

.btn-cta,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.375rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9375rem;
    line-height: 1.4;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition:
        background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease,
        box-shadow 0.18s ease, transform 0.18s ease;
}

.btn-cta svg,
.btn-ghost svg {
    width: 17px;
    height: 17px;
    flex-shrink: 0;
    transition: transform 0.18s ease;
}

.btn-cta:hover svg,
.btn-ghost:hover svg {
    transform: translateX(3px);
}

.btn-cta {
    background: linear-gradient(180deg, var(--brand-500), var(--brand-600));
    color: #fff;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.18),
        0 1px 2px rgba(8, 20, 38, 0.2),
        0 6px 18px -6px rgba(27, 90, 184, 0.55);
}

.btn-cta:hover {
    background: linear-gradient(180deg, #3b80e4, var(--brand-500));
    color: #fff;
    transform: translateY(-1px);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        0 2px 4px rgba(8, 20, 38, 0.18),
        0 10px 26px -8px rgba(27, 90, 184, 0.65);
}

.btn-cta:active {
    transform: translateY(0);
}

/* Vurgu dugmesi: parlak LED turkuazi uzerinde koyu metin - yuksek kontrast */
.btn-cta-accent {
    background: linear-gradient(180deg, #1fe0bf, var(--accent-500));
    color: #05261f;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.35),
        0 1px 2px rgba(8, 20, 38, 0.2),
        0 6px 20px -6px rgba(16, 201, 174, 0.6);
}

.btn-cta-accent:hover {
    background: linear-gradient(180deg, #3ce9cb, #17d3b7);
    color: #05261f;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        0 2px 4px rgba(8, 20, 38, 0.16),
        0 10px 30px -8px rgba(16, 201, 174, 0.7);
}

.btn-ghost {
    border-color: var(--neutral-300);
    color: var(--neutral-700);
    background: var(--neutral-0);
}

.btn-ghost:hover {
    border-color: var(--brand-500);
    color: var(--brand-700);
    background: var(--brand-50);
}

.btn-ghost-light {
    border-color: rgba(255, 255, 255, 0.35);
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
}

.btn-ghost-light:hover {
    border-color: rgba(255, 255, 255, 0.85);
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.btn-lg {
    padding: 0.85rem 1.7rem;
    font-size: 1.0625rem;
    border-radius: 12px;
}

.btn-block {
    width: 100%;
}

/* ---------- Koyu bolum ortak dokusu ---------- */

.surface-dark {
    position: relative;
    background:
        radial-gradient(52rem 30rem at 82% -10%, rgba(16, 201, 174, 0.16), transparent 60%),
        radial-gradient(40rem 26rem at 8% 110%, rgba(46, 116, 221, 0.18), transparent 60%),
        linear-gradient(160deg, var(--ink-950) 0%, var(--ink-900) 55%, var(--ink-800) 100%);
    color: #fff;
    overflow: hidden;
}

.surface-dark::before {
    /* LED modul dokusu: ince izgara */
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: 26px 26px;
    mask-image: radial-gradient(ellipse at 72% 25%, #000 5%, transparent 72%);
    -webkit-mask-image: radial-gradient(ellipse at 72% 25%, #000 5%, transparent 72%);
    pointer-events: none;
}

/* ---------- Hero ---------- */

.hero {
    padding: 5rem 0 5.5rem;
}

.hero::after {
    /* Alt kenarda LED isik cizgisi */
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 5%,
        rgba(53, 226, 197, 0.55) 35%,
        rgba(76, 201, 240, 0.55) 65%,
        transparent 95%);
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: center;
    gap: 3.5rem;
}

.hero-copy {
    max-width: 620px;
}

.hero h1 {
    color: #fff;
    font-size: clamp(2.25rem, 4.6vw, 3.5rem);
    line-height: 1.12;
    margin-bottom: 1.25rem;
}

.hero h1 .accent-word {
    background: linear-gradient(92deg, var(--accent-400) 10%, var(--glow-cyan) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: 1.125rem;
    line-height: 1.75;
    color: rgba(226, 236, 248, 0.85);
    margin-bottom: 2rem;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 0.875rem;
    flex-wrap: wrap;
    margin-bottom: 2.25rem;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    background: rgba(16, 201, 174, 0.12);
    border: 1px solid rgba(53, 226, 197, 0.4);
    color: #9ff0e0;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 1.375rem;
}

.hero-eyebrow::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-400);
    box-shadow: 0 0 10px 2px rgba(53, 226, 197, 0.7);
    animation: led-blink 2.6s ease-in-out infinite;
}

@keyframes led-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.45; }
}

/* Hero altindaki guven satiri */
.hero-proof {
    display: flex;
    gap: 1.75rem;
    flex-wrap: wrap;
    padding-top: 1.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-proof-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.9063rem;
    color: rgba(226, 236, 248, 0.78);
}

.hero-proof-item svg {
    width: 19px;
    height: 19px;
    color: var(--accent-400);
    flex-shrink: 0;
}

/* --- Hero gorsel kompozisyonu: LED panel + sertifika dogrulama karti --- */

.hero-visual {
    position: relative;
    min-height: 430px;
    display: grid;
    place-items: center;
}

.led-wall {
    position: absolute;
    inset: 6% 0 10% 14%;
    border-radius: var(--radius-lg);
    background:
        radial-gradient(24rem 16rem at 70% 20%, rgba(76, 201, 240, 0.14), transparent 65%),
        linear-gradient(150deg, #0c1729 0%, #0e2038 100%);
    border: 1px solid rgba(255, 255, 255, 0.09);
    box-shadow: 0 30px 70px -30px rgba(3, 10, 22, 0.9);
    transform: rotate(3deg);
    overflow: hidden;
}

.led-wall::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 14px 14px;
}

/* Panelde yanan pikseller */
.led-px {
    position: absolute;
    width: 9px;
    height: 9px;
    border-radius: 2px;
    background: var(--accent-400);
    box-shadow: 0 0 14px 3px rgba(53, 226, 197, 0.55);
    animation: led-px-pulse 3.2s ease-in-out infinite;
}

.led-px.px-blue {
    background: var(--glow-cyan);
    box-shadow: 0 0 14px 3px rgba(76, 201, 240, 0.55);
}

.led-px.px-violet {
    background: var(--glow-violet);
    box-shadow: 0 0 14px 3px rgba(124, 107, 255, 0.5);
}

.led-px:nth-of-type(1) { top: 14%; left: 10%; animation-delay: 0s; }
.led-px:nth-of-type(2) { top: 26%; left: 78%; animation-delay: 0.7s; }
.led-px:nth-of-type(3) { top: 58%; left: 22%; animation-delay: 1.3s; }
.led-px:nth-of-type(4) { top: 72%; left: 64%; animation-delay: 0.4s; }
.led-px:nth-of-type(5) { top: 38%; left: 46%; animation-delay: 1.9s; }
.led-px:nth-of-type(6) { top: 84%; left: 36%; animation-delay: 2.4s; }
.led-px:nth-of-type(7) { top: 10%; left: 52%; animation-delay: 1.1s; }

@keyframes led-px-pulse {
    0%, 100% { opacity: 0.25; }
    50% { opacity: 1; }
}

/* Cam dokulu sertifika dogrulama karti */
.cert-card {
    position: relative;
    z-index: 2;
    width: min(370px, 92%);
    padding: 1.375rem 1.375rem 1.25rem;
    border-radius: var(--radius-md);
    background: linear-gradient(165deg, rgba(13, 24, 43, 0.92), rgba(10, 19, 34, 0.86));
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.09),
        0 24px 60px -18px rgba(3, 10, 22, 0.85),
        0 0 44px -8px rgba(16, 201, 174, 0.28);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    animation: cert-float 7s ease-in-out infinite alternate;
}

@keyframes cert-float {
    from { transform: translateY(6px); }
    to { transform: translateY(-10px); }
}

.cert-card-head {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cert-card-head strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    color: #fff;
    line-height: 1.3;
}

.cert-card-head small {
    color: rgba(226, 236, 248, 0.6);
    font-size: 0.78125rem;
}

.cert-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-left: auto;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    background: rgba(16, 201, 174, 0.14);
    border: 1px solid rgba(53, 226, 197, 0.45);
    color: #7deed8;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.cert-status svg {
    width: 13px;
    height: 13px;
}

.cert-body {
    display: flex;
    gap: 1.125rem;
    align-items: center;
}

.cert-qr {
    width: 92px;
    height: 92px;
    padding: 8px;
    border-radius: 10px;
    background: #fff;
    flex-shrink: 0;
}

.cert-qr svg {
    display: block;
    width: 100%;
    height: 100%;
    color: var(--ink-900);
}

.cert-fields {
    display: grid;
    gap: 0.55rem;
    margin: 0;
    min-width: 0;
}

.cert-fields dt {
    font-size: 0.71875rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: rgba(226, 236, 248, 0.55);
}

.cert-fields dd {
    margin: 0.1rem 0 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: #fff;
    overflow-wrap: break-word;
}

.cert-fields .mono {
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
}

/* Kompozisyon uzerinde yuzen kucuk rozetler */
.hero-chip {
    position: absolute;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    background: rgba(12, 22, 40, 0.88);
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 14px 34px -12px rgba(3, 10, 22, 0.8);
    color: #e6eefb;
    font-size: 0.8125rem;
    font-weight: 600;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    white-space: nowrap;
}

.hero-chip svg {
    width: 15px;
    height: 15px;
    color: var(--accent-400);
}

.hero-chip-1 {
    top: 7%;
    left: 2%;
    animation: cert-float 6s 0.8s ease-in-out infinite alternate;
}

.hero-chip-2 {
    bottom: 5%;
    right: 4%;
    animation: cert-float 6.5s 0.3s ease-in-out infinite alternate;
}

/* ---------- Bolumler ---------- */

.site-main {
    flex: 1 0 auto;
}

.section {
    padding: 5rem 0;
}

.section-alt {
    background: var(--neutral-50);
    border-top: 1px solid var(--neutral-100);
    border-bottom: 1px solid var(--neutral-100);
}

.section-header {
    max-width: 720px;
    margin-bottom: 3rem;
}

.section-header.centered {
    margin-inline: auto;
    text-align: center;
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--accent-600);
    margin-bottom: 0.75rem;
}

.section-header h2 {
    font-size: clamp(1.75rem, 3.2vw, 2.375rem);
    margin-bottom: 0.75rem;
}

.section-header p {
    color: var(--neutral-500);
    font-size: 1.0625rem;
    margin: 0;
}

/* ---------- Surec adimlari ---------- */

.step-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.375rem;
    counter-reset: step;
}

.step-card {
    position: relative;
    padding: 1.75rem 1.5rem 1.625rem;
    background: var(--neutral-0);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
    transition: transform 0.25s var(--ease-out), box-shadow 0.25s ease, border-color 0.25s ease;
}

.step-card:hover {
    transform: translateY(-4px);
    border-color: var(--brand-300);
    box-shadow: var(--shadow-md);
}

/* Kartlar arasi baglanti cizgisi */
.step-card:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 2.9rem;
    right: -1.375rem;
    width: 1.375rem;
    height: 2px;
    background: linear-gradient(90deg, var(--neutral-200), var(--neutral-300));
}

.step-icon {
    position: relative;
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border-radius: 13px;
    background: linear-gradient(150deg, var(--brand-50), var(--brand-100));
    border: 1px solid var(--brand-100);
    color: var(--brand-600);
    margin-bottom: 1.125rem;
}

.step-icon svg {
    width: 22px;
    height: 22px;
}

.step-num {
    position: absolute;
    top: 1.375rem;
    right: 1.375rem;
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--neutral-300);
}

.step-num::before {
    counter-increment: step;
    content: "0" counter(step);
}

.step-card h3 {
    font-size: 1.0625rem;
    margin-bottom: 0.45rem;
}

.step-card p {
    color: var(--neutral-500);
    font-size: 0.9375rem;
    line-height: 1.65;
    margin: 0;
}

/* ---------- Istatistik bandi (koyu) ---------- */

.stat-band {
    padding: 3.75rem 0;
}

.stat-row {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 2rem;
}

.stat-item {
    padding-left: 1.375rem;
    border-left: 2px solid rgba(53, 226, 197, 0.35);
}

.stat-item strong {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(1.625rem, 2.6vw, 2.125rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--accent-400);
    background: linear-gradient(92deg, var(--accent-400) 15%, var(--glow-cyan) 95%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.3rem;
}

.stat-item span {
    color: rgba(226, 236, 248, 0.72);
    font-size: 0.9375rem;
    line-height: 1.5;
    display: block;
}

/* ---------- Kartlar ---------- */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.content-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--neutral-0);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
    transition: transform 0.25s var(--ease-out), box-shadow 0.25s ease, border-color 0.25s ease;
}

.content-card:hover,
.content-card:focus-within {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-300);
}

.content-card-media {
    position: relative;
    aspect-ratio: 16 / 9;
    background:
        radial-gradient(18rem 10rem at 78% 18%, rgba(76, 201, 240, 0.2), transparent 60%),
        linear-gradient(150deg, var(--ink-800), var(--ink-700));
    display: grid;
    place-items: center;
    overflow: hidden;
}

.content-card-media::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 18px 18px;
}

.content-card-media svg {
    position: relative;
    width: 40px;
    height: 40px;
    color: rgba(255, 255, 255, 0.55);
}

.content-card-media img {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s var(--ease-out);
}

.content-card:hover .content-card-media img {
    transform: scale(1.04);
}

.content-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    padding: 1.25rem 1.25rem 1.125rem;
    flex: 1;
}

.content-card-body h3 {
    font-size: 1.0625rem;
    line-height: 1.4;
    margin: 0;
}

.content-card-body h3 a {
    color: inherit;
    text-decoration: none;
}

.content-card-body h3 a::after {
    /* Tum kart tiklanabilir */
    content: "";
    position: absolute;
    inset: 0;
}

.content-card-body h3 a:hover {
    color: var(--brand-600);
}

.content-card-body p {
    color: var(--neutral-500);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.8125rem;
    color: var(--neutral-500);
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.22rem 0.7rem;
    border-radius: 999px;
    background: var(--brand-50);
    border: 1px solid var(--brand-100);
    color: var(--brand-700);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.chip-accent {
    background: var(--accent-100);
    border-color: #b8ecdf;
    color: #076e5f;
}

.chip-neutral {
    background: var(--neutral-100);
    border-color: var(--neutral-200);
    color: var(--neutral-700);
}

/* ---------- Icerik govdesi (CMS) ---------- */

.prose {
    max-width: 760px;
    font-size: 1.0625rem;
    color: var(--neutral-700);
}

.prose h2 {
    font-size: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 0.875rem;
}

.prose h3 {
    font-size: 1.1875rem;
    margin-top: 2rem;
    margin-bottom: 0.625rem;
}

.prose p,
.prose ul,
.prose ol {
    margin-bottom: 1.25rem;
}

.prose ul,
.prose ol {
    padding-left: 1.375rem;
}

.prose li {
    margin-bottom: 0.45rem;
}

.prose li::marker {
    color: var(--accent-600);
}

.prose img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.prose blockquote {
    margin: 1.5rem 0;
    padding: 0.875rem 1.375rem;
    border-left: 3px solid var(--accent-500);
    background: var(--neutral-50);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--neutral-700);
}

.prose table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.25rem;
    font-size: 0.9375rem;
}

.prose th {
    background: var(--neutral-50);
    font-weight: 600;
}

.prose th,
.prose td {
    border: 1px solid var(--neutral-200);
    padding: 0.625rem 0.875rem;
    text-align: left;
}

/* ---------- Sayfa basligi ---------- */

.page-hero {
    position: relative;
    background:
        radial-gradient(40rem 14rem at 88% 0%, rgba(16, 201, 174, 0.07), transparent 60%),
        linear-gradient(180deg, var(--neutral-50), var(--neutral-0));
    border-bottom: 1px solid var(--neutral-100);
    padding: 3.25rem 0;
}

.page-hero h1 {
    font-size: clamp(1.75rem, 3.6vw, 2.5rem);
    margin: 0 0 0.625rem;
}

.page-hero p {
    color: var(--neutral-500);
    font-size: 1.0625rem;
    margin: 0;
    max-width: 700px;
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.875rem;
    color: var(--neutral-400);
    margin-bottom: 0.875rem;
}

.breadcrumb-nav a {
    color: var(--neutral-500);
    text-decoration: none;
}

.breadcrumb-nav a:hover {
    color: var(--brand-600);
    text-decoration: underline;
}

/* ---------- SSS akordiyon ---------- */

.faq-list {
    max-width: 860px;
}

.faq-item {
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    margin-bottom: 0.875rem;
    background: var(--neutral-0);
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item:hover {
    border-color: var(--neutral-300);
}

.faq-item[open] {
    border-color: var(--brand-300);
    box-shadow: var(--shadow-sm);
}

.faq-item summary {
    padding: 1.125rem 1.375rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    color: var(--ink-900);
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "";
    width: 9px;
    height: 9px;
    border-right: 2px solid var(--brand-600);
    border-bottom: 2px solid var(--brand-600);
    transform: rotate(45deg);
    transition: transform 0.25s var(--ease-out);
    flex-shrink: 0;
    margin-top: -4px;
}

.faq-item[open] summary::after {
    transform: rotate(-135deg);
    margin-top: 4px;
}

.faq-item-body {
    padding: 0 1.375rem 1.25rem;
    color: var(--neutral-700);
    line-height: 1.7;
    animation: faq-open 0.3s var(--ease-out);
}

@keyframes faq-open {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

/* ---------- Formlar ---------- */

.form-card {
    background: var(--neutral-0);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.field {
    margin-bottom: 1.25rem;
}

.field label {
    display: block;
    font-weight: 600;
    font-size: 0.9063rem;
    margin-bottom: 0.4rem;
    color: var(--ink-900);
}

.field input,
.field textarea,
.field select {
    width: 100%;
    padding: 0.7rem 0.875rem;
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-family: inherit;
    line-height: 1.5;
    color: var(--neutral-900);
    background-color: var(--neutral-0);
    box-shadow: var(--shadow-xs);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    box-sizing: border-box;
}

.field select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%2362748c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='m1.5 1.75 4.5 4.5 4.5-4.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    padding-right: 2.5rem;
}

.field input:hover,
.field textarea:hover,
.field select:hover {
    border-color: var(--neutral-400);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    border-color: var(--brand-500);
    outline: none;
    box-shadow: 0 0 0 4px rgba(46, 116, 221, 0.14);
}

.field-hint {
    display: block;
    font-size: 0.8125rem;
    color: var(--neutral-500);
    margin-top: 0.35rem;
    line-height: 1.55;
}

.field-error {
    display: block;
    font-size: 0.8125rem;
    color: #b91c1c;
    margin-top: 0.35rem;
}

.field-checkbox label {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 500;
    cursor: pointer;
    margin: 0;
}

.field-checkbox input {
    width: 1.05rem;
    height: 1.05rem;
    margin: 0;
    accent-color: var(--brand-600);
    box-shadow: none;
}

/* Bal kupu: gercek kullanici gormez, otomatik gonderim doldurur. */
.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.alert {
    padding: 0.95rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.375rem;
    font-size: 0.9375rem;
    line-height: 1.55;
    border: 1px solid transparent;
}

.alert-success {
    background: var(--accent-100);
    border-color: #9fe5d6;
    color: #0b5a4d;
}

.alert-danger {
    background: #fef2f2;
    border-color: #fca5a5;
    color: #991b1b;
}

.alert-info {
    background: var(--brand-50);
    border-color: #bad3f2;
    color: var(--brand-700);
}

/* Dogrulama ozeti hata yokken gorunmemeli:
   ASP.NET bu kabi her zaman uretir, yalnizca sinifini degistirir. */
.validation-summary-valid {
    display: none;
}

.field input.input-validation-error,
.field textarea.input-validation-error,
.field select.input-validation-error {
    border-color: #dc2626;
}

.field input.input-validation-error:focus,
.field textarea.input-validation-error:focus {
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.12);
}

/* Sayfa ici baglanti listesi */
.link-list {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.link-list a {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.55rem 0.7rem;
    margin-inline: -0.7rem;
    border-radius: var(--radius-sm);
    color: var(--neutral-700);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.link-list a::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-500);
    flex-shrink: 0;
}

.link-list a:hover {
    background: var(--brand-50);
    color: var(--brand-700);
}

/* ---------- Bos durum ---------- */

.empty-state {
    text-align: center;
    padding: 3.5rem 1.5rem;
    color: var(--neutral-500);
    border: 1px dashed var(--neutral-300);
    border-radius: var(--radius-md);
    background: var(--neutral-50);
}

/* ---------- Sayfalama ---------- */

.pagination-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    margin-top: 2.75rem;
}

.pagination-status {
    color: var(--neutral-500);
    font-size: 0.9375rem;
}

/* ---------- Filtre cubugu ---------- */

.filter-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.75rem;
}

.filter-tab {
    padding: 0.45rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--neutral-300);
    color: var(--neutral-700);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    background: var(--neutral-0);
    transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.filter-tab:hover {
    border-color: var(--brand-500);
    color: var(--brand-700);
    background: var(--brand-50);
}

.filter-tab[aria-current="true"] {
    background: var(--brand-600);
    border-color: var(--brand-600);
    color: #fff;
    box-shadow: 0 4px 12px -4px rgba(27, 90, 184, 0.5);
}

/* ---------- Video ---------- */

.video-frame {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #000;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
}

.video-frame iframe,
.video-frame video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* ---------- CTA seridi ---------- */

.cta-band {
    position: relative;
    background:
        radial-gradient(30rem 16rem at 85% 20%, rgba(16, 201, 174, 0.22), transparent 60%),
        radial-gradient(24rem 14rem at 12% 90%, rgba(124, 107, 255, 0.16), transparent 60%),
        linear-gradient(140deg, var(--ink-900), var(--ink-800) 55%, var(--brand-700) 130%);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 3rem 3.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
    overflow: hidden;
}

.cta-band::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 22px 22px;
    mask-image: radial-gradient(ellipse at 80% 30%, #000 10%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 80% 30%, #000 10%, transparent 70%);
    pointer-events: none;
}

.cta-band > * {
    position: relative;
}

.cta-band h2 {
    color: #fff;
    margin: 0 0 0.45rem;
    font-size: clamp(1.5rem, 2.6vw, 1.875rem);
}

.cta-band p {
    margin: 0;
    color: rgba(226, 236, 248, 0.8);
    font-size: 1.0313rem;
}

/* ---------- Alt bilgi ---------- */

.site-footer {
    position: relative;
    flex-shrink: 0;
    background:
        radial-gradient(44rem 20rem at 90% 0%, rgba(16, 201, 174, 0.06), transparent 60%),
        var(--ink-950);
    color: rgba(226, 236, 248, 0.68);
    padding: 4rem 0 1.75rem;
    margin-top: 5rem;
}

.site-footer::before {
    /* Ust kenarda LED isik seridi */
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        var(--brand-600) 0%,
        var(--accent-500) 35%,
        var(--glow-cyan) 65%,
        var(--brand-600) 100%);
    opacity: 0.7;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 3rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.125rem;
    color: #fff;
    text-decoration: none;
    margin-bottom: 1rem;
}

.footer-grid h3 {
    color: rgba(255, 255, 255, 0.92);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    margin-bottom: 1.125rem;
}

.footer-grid p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin: 0;
    max-width: 340px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-links a {
    color: rgba(226, 236, 248, 0.68);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.15s ease;
}

.footer-links a:hover {
    color: var(--accent-400);
}

.footer-cta-box {
    padding: 1.375rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.03);
}

.footer-cta-box p {
    font-size: 0.9063rem;
    margin-bottom: 1rem;
}

.footer-bottom {
    padding-top: 1.5rem;
    font-size: 0.8125rem;
    color: rgba(226, 236, 248, 0.45);
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ---------- Kimlik ekranlari ---------- */

.auth-container {
    display: flex;
    justify-content: center;
    padding: 4rem 1.5rem;
    background:
        radial-gradient(36rem 20rem at 80% -10%, rgba(16, 201, 174, 0.06), transparent 60%),
        var(--neutral-50);
    flex: 1;
}

.auth-shell {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    width: 100%;
    max-width: 900px;
    background: var(--neutral-0);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    align-self: flex-start;
}

.auth-aside {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 3rem;
    padding: 2.5rem 2.25rem;
    background:
        radial-gradient(26rem 18rem at 90% -10%, rgba(16, 201, 174, 0.18), transparent 60%),
        radial-gradient(20rem 14rem at 0% 110%, rgba(46, 116, 221, 0.2), transparent 60%),
        linear-gradient(160deg, var(--ink-950), var(--ink-800));
    color: #fff;
    overflow: hidden;
}

.auth-aside::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: 22px 22px;
    mask-image: radial-gradient(ellipse at 80% 20%, #000 5%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 80% 20%, #000 5%, transparent 70%);
    pointer-events: none;
}

.auth-aside > * {
    position: relative;
}

.auth-aside .site-brand {
    color: #fff;
}

.auth-aside-title {
    color: #fff;
    font-size: 1.3125rem;
    line-height: 1.35;
    margin-bottom: 1.375rem;
}

.auth-aside-features {
    display: grid;
    gap: 1rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.auth-aside-features li {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 0.9375rem;
    color: rgba(226, 236, 248, 0.82);
}

.auth-aside-features svg {
    width: 18px;
    height: 18px;
    color: var(--accent-400);
    flex-shrink: 0;
}

.auth-panel {
    padding: 2.75rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-panel h1 {
    font-size: 1.5rem;
    margin-bottom: 0.35rem;
}

.auth-panel > p {
    color: var(--neutral-500);
    font-size: 0.9375rem;
    margin: 0 0 1.75rem;
}

.auth-links {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.9063rem;
}

/* Tek kolonlu dar kimlik karti (yonlendirme/uyari sayfalari) */
.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--neutral-0);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    box-shadow: var(--shadow-md);
    align-self: flex-start;
}

/* ---------- Egitim takvimi ---------- */

.calendar-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1.125rem;
    align-items: end;
    padding: 1.375rem;
    background: var(--neutral-0);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 2.25rem;
}

.calendar-filters .field {
    margin-bottom: 0;
}

.calendar-filter-actions {
    display: flex;
    gap: 0.5rem;
}

.result-count {
    color: var(--neutral-500);
    font-size: 0.9375rem;
    margin-bottom: 1.25rem;
}

.training-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.training-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--neutral-0);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
    transition: transform 0.25s var(--ease-out), box-shadow 0.25s ease, border-color 0.25s ease;
}

.training-card:hover {
    transform: translateY(-4px);
    border-color: var(--brand-300);
    box-shadow: var(--shadow-md);
}

.training-card-top {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

/* Takvim yapragi gorunumlu tarih kutusu */
.date-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 58px;
    padding: 0.5rem 0.25rem 0.55rem;
    border-radius: var(--radius-sm);
    background: linear-gradient(160deg, var(--brand-50), var(--brand-100));
    border: 1px solid var(--brand-100);
    flex-shrink: 0;
}

.date-tile strong {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--brand-700);
}

.date-tile span {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-600);
}

.training-card-head {
    min-width: 0;
}

.training-card-head .card-meta {
    margin-bottom: 0.55rem;
}

.training-card-head h3 {
    font-size: 1.0625rem;
    line-height: 1.35;
    margin: 0 0 0.25rem;
}

.training-card-head h3 a {
    color: inherit;
    text-decoration: none;
}

.training-card-head h3 a:hover {
    color: var(--brand-600);
}

.training-program-name {
    color: var(--neutral-500);
    font-size: 0.875rem;
    margin: 0;
}

.training-facts {
    display: grid;
    gap: 0.55rem;
    margin: 0;
    font-size: 0.9063rem;
    padding: 0.875rem 0;
    border-top: 1px solid var(--neutral-100);
    border-bottom: 1px solid var(--neutral-100);
}

.training-facts > div {
    display: grid;
    grid-template-columns: 118px 1fr;
    gap: 0.75rem;
    align-items: baseline;
}

.training-facts dt {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--neutral-500);
    font-weight: 500;
    font-size: 0.875rem;
}

.training-facts dt svg {
    width: 15px;
    height: 15px;
    color: var(--neutral-400);
    flex-shrink: 0;
}

.training-facts dd {
    margin: 0;
    color: var(--neutral-900);
    font-weight: 500;
}

.quota-bar {
    height: 7px;
    background: var(--neutral-100);
    border-radius: 999px;
    overflow: hidden;
}

.quota-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent-500), var(--brand-500));
    transition: width 0.6s var(--ease-out);
}

/* Doluluk arttikca renk uyariya doner */
.quota-fill.is-high {
    background: linear-gradient(90deg, #f5b40b, #ef8f0e);
}

.quota-fill.is-full {
    background: linear-gradient(90deg, #ef4444, #dc2626);
}

.quota-text {
    font-size: 0.875rem;
    color: var(--neutral-500);
    margin: 0;
}

.quota-text strong {
    color: var(--neutral-900);
}

/* Basvuru kapaliyken durum bilgisi: buton satirinin ustunde tam genislik serit */
.training-status-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    padding: 0.55rem 0.875rem;
    border-radius: var(--radius-sm);
    background: var(--neutral-50);
    border: 1px solid var(--neutral-200);
    color: var(--neutral-500);
    font-size: 0.875rem;
    font-weight: 500;
}

.training-status-note svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    color: var(--neutral-400);
}

/* Eylemler: her genislikte yan yana, esit boyda iki dugme.
   Serbest sarma (flex-wrap) dar kartlarda dugmeleri farkli boylarda
   alt alta dusurup daginik gorunuyordu. */
.training-card-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.625rem;
    margin-top: auto;
    padding-top: 0.25rem;
}

.training-card-actions > .btn-cta,
.training-card-actions > .btn-ghost {
    width: 100%;
    padding-inline: 0.625rem;
    white-space: nowrap;
}

/* Tek eylem kalirsa (basvuru kapali) dugme tum satiri kaplar */
.training-card-actions > :only-child {
    grid-column: 1 / -1;
}

.info-panel {
    background: var(--neutral-50);
    border: 1px solid var(--neutral-200);
    border-left: 3px solid var(--accent-500);
    border-radius: var(--radius-sm);
    padding: 1.25rem 1.375rem;
    margin-top: 1.75rem;
}

.info-panel h2 {
    margin-bottom: 0.5rem;
}

.info-panel p {
    margin: 0;
    color: var(--neutral-700);
    line-height: 1.7;
}

.sticky-panel {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.trainer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 1.125rem;
    margin-top: 1.125rem;
}

.trainer-card {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 1.125rem 1.25rem;
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    background: var(--neutral-0);
    box-shadow: var(--shadow-xs);
}

.trainer-card strong {
    font-family: var(--font-heading);
    font-size: 0.9688rem;
    letter-spacing: -0.01em;
}

.trainer-card span {
    color: var(--brand-600);
    font-size: 0.875rem;
}

.trainer-card small {
    color: var(--neutral-500);
    font-size: 0.8125rem;
}

/* ---------- Basvuru sihirbazi ---------- */

.wizard-container {
    max-width: 880px;
}

.stepper {
    display: flex;
    gap: 0.25rem;
    list-style: none;
    padding: 0;
    margin: 0 0 1.75rem;
    counter-reset: wizard-step;
}

.stepper-item {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    padding-top: 0.25rem;
    text-align: center;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--neutral-400);
}

.stepper-item::before {
    counter-increment: wizard-step;
    content: counter(wizard-step);
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--neutral-100);
    border: 2px solid var(--neutral-200);
    color: var(--neutral-500);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.875rem;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

/* Adimlar arasi cizgi */
.stepper-item:not(:first-child)::after {
    content: "";
    position: absolute;
    top: 1.25rem;
    right: calc(50% + 24px);
    left: calc(-50% + 24px);
    height: 2px;
    background: var(--neutral-200);
}

.stepper-item.is-active {
    color: var(--brand-700);
}

.stepper-item.is-active::before {
    background: var(--brand-600);
    border-color: var(--brand-600);
    color: #fff;
    box-shadow: 0 0 0 4px var(--brand-100);
}

.stepper-item.is-done {
    color: var(--accent-600);
}

.stepper-item.is-done::before {
    content: "✓";
    background: var(--accent-100);
    border-color: var(--accent-500);
    color: var(--accent-600);
}

.stepper-item.is-done:not(:first-child)::after {
    background: var(--accent-500);
}

.wizard {
    padding: 2rem;
}

.wizard-step {
    border: 0;
    padding: 0;
    margin: 0;
}

/* JS aciksa yalnizca etkin adim gorunur; JS yoksa form tek sayfadir. */
html.js .wizard-step {
    display: none;
}

html.js .wizard-step.is-active {
    display: block;
    animation: faq-open 0.3s var(--ease-out);
}

.wizard-step-title {
    font-family: var(--font-heading);
    font-size: 1.1875rem;
    font-weight: 700;
    color: var(--ink-900);
    padding: 0;
    margin-bottom: 1.125rem;
    outline: none;
}

.wizard-divider {
    border: 0;
    border-top: 1px solid var(--neutral-200);
    margin: 1.5rem 0;
}

.wizard-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.75rem;
    padding-top: 1.375rem;
    border-top: 1px solid var(--neutral-100);
}

.wizard-nav #ileriBtn,
.wizard-nav #gonderBtn {
    margin-left: auto;
}

.wizard-progress {
    color: var(--neutral-400);
    font-size: 0.875rem;
    font-weight: 600;
    margin-left: auto;
}

.wizard-progress + #ileriBtn,
.wizard-progress ~ #gonderBtn {
    margin-left: 0.75rem;
}

html:not(.js) .js-only {
    display: none !important;
}

/* Yetkinlik surguleri */
.skill-sliders {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.375rem;
}

.skill-slider {
    padding: 1rem 1.125rem;
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    background: var(--neutral-50);
}

.skill-slider label {
    display: block;
    font-weight: 600;
    font-size: 0.9063rem;
    margin-bottom: 0.5rem;
}

.skill-slider input[type="range"] {
    width: 100%;
    accent-color: var(--brand-600);
}

.skill-slider output {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--brand-600);
}

.file-field input[type="file"] {
    padding: 0.5rem;
    font-size: 0.875rem;
}

.file-field input[type="file"]::file-selector-button {
    margin-right: 0.75rem;
    padding: 0.45rem 0.9rem;
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-sm);
    background: var(--neutral-0);
    color: var(--neutral-700);
    font-weight: 600;
    font-size: 0.8125rem;
    cursor: pointer;
}

/* Ozet listesi */
.wizard-summary {
    display: grid;
    gap: 0.55rem;
    margin: 0 0 1.25rem;
}

.wizard-summary > div {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 0.75rem;
    padding-bottom: 0.55rem;
    border-bottom: 1px solid var(--neutral-100);
    font-size: 0.9375rem;
}

.wizard-summary dt {
    color: var(--neutral-500);
    font-weight: 500;
}

.wizard-summary dd {
    margin: 0;
    color: var(--neutral-900);
    font-weight: 500;
    overflow-wrap: break-word;
}

/* ---------- Basvuru sonucu ---------- */

.success-container {
    max-width: 640px;
}

.success-card {
    text-align: center;
    padding: 3rem 2.5rem;
    background: var(--neutral-0);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.success-icon {
    display: inline-grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--accent-100);
    color: var(--accent-600);
    margin-bottom: 1.25rem;
}

.success-icon svg {
    width: 32px;
    height: 32px;
}

.success-card h1 {
    font-size: 1.625rem;
    margin-bottom: 0.5rem;
}

.success-card > p {
    color: var(--neutral-500);
    margin-bottom: 1.5rem;
}

.success-number {
    display: inline-flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    background: var(--brand-50);
    border: 1px dashed var(--brand-300);
    margin-bottom: 1rem;
}

.success-number span {
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--neutral-500);
    font-weight: 600;
}

.success-number strong {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    letter-spacing: 0.04em;
    color: var(--brand-700);
}

.success-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1.25rem;
}

/* ---------- Basvuru takibi ---------- */

.track-container {
    max-width: 820px;
}

.track-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.track-head h2 {
    font-size: 1.5rem;
    letter-spacing: 0.03em;
    margin-bottom: 0.25rem;
}

.track-status {
    font-size: 0.875rem;
    padding: 0.45rem 1rem;
}

.milestones {
    display: flex;
    gap: 0.25rem;
    list-style: none;
    padding: 1.375rem 0 0;
    margin: 0;
}

.milestone {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--neutral-400);
    text-align: center;
}

.milestone-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--neutral-100);
    border: 3px solid var(--neutral-300);
}

.milestone:not(:first-child)::after {
    content: "";
    position: absolute;
    top: 7px;
    right: calc(50% + 14px);
    left: calc(-50% + 14px);
    height: 2px;
    background: var(--neutral-200);
}

.milestone.is-done {
    color: var(--accent-600);
}

.milestone.is-done .milestone-dot {
    background: var(--accent-500);
    border-color: var(--accent-100);
    box-shadow: 0 0 0 2px var(--accent-500);
}

.milestone.is-done:not(:first-child)::after {
    background: var(--accent-500);
}

.track-history {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.55rem;
}

.track-history li {
    display: flex;
    gap: 0.875rem;
    align-items: baseline;
    font-size: 0.9375rem;
    padding: 0.55rem 0;
    border-bottom: 1px solid var(--neutral-100);
}

.track-history time {
    color: var(--neutral-500);
    font-size: 0.8438rem;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.track-documents {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.45rem;
}

.track-documents li {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.9375rem;
    padding: 0.45rem 0;
    border-bottom: 1px solid var(--neutral-100);
}

@media (max-width: 576px) {
    .stepper-item span {
        display: none;
    }

    .stepper-item.is-active span {
        display: block;
    }

    .wizard {
        padding: 1.375rem;
    }

    .wizard-summary > div {
        grid-template-columns: 1fr;
        gap: 0.1rem;
    }

    .milestones {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .milestone:not(:first-child)::after {
        display: none;
    }
}

/* ---------- Kaydirma animasyonlari ----------
 * Yalnizca JS calisirken devreye girer (html.js). JS yoksa veya hareket
 * azaltma tercihi aciksa icerik dogrudan gorunur. */

html.js .reveal {
    opacity: 0;
    transform: translateY(20px);
}

html.js .reveal.in-view {
    opacity: 1;
    transform: none;
    transition:
        opacity 0.7s var(--ease-out),
        transform 0.7s var(--ease-out);
    transition-delay: var(--rd, 0s);
}

@media (prefers-reduced-motion: reduce) {
    html.js .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ---------- Duyarlilik ---------- */

@media (max-width: 1100px) {
    .hero-inner {
        gap: 2.5rem;
    }

    .step-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .step-card:not(:last-child)::after {
        display: none;
    }
}

@media (max-width: 992px) {
    .nav-toggle {
        display: inline-flex;
    }

    .site-nav {
        display: none;
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0.625rem 1.5rem 1.125rem;
        background: var(--neutral-0);
        border-bottom: 1px solid var(--neutral-200);
        box-shadow: var(--shadow-lg);
    }

    .site-nav.is-open {
        display: flex;
    }

    .site-nav a {
        padding: 0.8rem 0.5rem;
        border-radius: 0;
        border-bottom: 1px solid var(--neutral-100);
    }

    .site-nav a[aria-current="page"]::after {
        display: none;
    }

    .hero {
        padding: 3.5rem 0 4rem;
    }

    .hero-inner {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 380px;
        max-width: 560px;
        margin-inline: auto;
        width: 100%;
    }

    .stat-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.75rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .auth-shell {
        grid-template-columns: 1fr;
        max-width: 560px;
    }

    .auth-aside {
        gap: 1.75rem;
        padding: 2rem 2.25rem;
    }
}

@media (max-width: 576px) {
    .section {
        padding: 3.25rem 0;
    }

    .section-header {
        margin-bottom: 2rem;
    }

    .hero {
        padding: 2.75rem 0 3.25rem;
    }

    .hero p {
        font-size: 1.0313rem;
    }

    .hero-proof {
        gap: 0.875rem 1.25rem;
    }

    .hero-visual {
        min-height: 330px;
    }

    .hero-chip-1 {
        left: 0;
    }

    .hero-chip-2 {
        right: 0;
    }

    .cert-card {
        width: min(340px, 100%);
        padding: 1.125rem;
    }

    .cert-qr {
        width: 76px;
        height: 76px;
    }

    .step-grid {
        grid-template-columns: 1fr;
    }

    .stat-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .stat-band {
        padding: 2.75rem 0;
    }

    .cta-band {
        padding: 2rem 1.625rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .site-header-actions .btn-cta {
        padding: 0.5rem 0.95rem;
        font-size: 0.875rem;
    }

    .site-header-actions .btn-ghost {
        display: none;
    }

    .auth-container {
        padding: 1.75rem 1rem;
    }

    .auth-panel {
        padding: 2rem 1.5rem;
    }

    .training-grid {
        grid-template-columns: 1fr;
    }

    .form-card {
        padding: 1.5rem;
    }
}

@media (max-width: 360px) {
    /* Cok dar ekranda iki dugme yan yana sigmaz; tam genislikte ust uste
       gecerler. Esit genislikte olduklari icin bu duzen de derli topludur. */
    .training-card-actions {
        grid-template-columns: 1fr;
    }
}