/* ==========================================================================
   Cengon Reklam — Ana stil dosyası
   Yapı:
     1. Modern reset
     2. Base (html, body, type)
     3. Tipografi (h1-h6, p, a, ul...)
     4. Yardımcılar (container, visually-hidden, flow)
     5. Buton sistemi
     6. Form elemanları
     7. Kart temel stili
     8. Animasyon yardımcıları (scroll reveal, fade, slide)
     9. Bölüm (section) temel
    10. Yükleme göstergesi / seçim rengi
   ========================================================================== */
@import url('tokens.css');
@import url('layout.css');
@import url('pages.css');
@import url('home.css');
@import url('service.css');

/* ---------- 1) Modern reset ------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

html:focus-within { scroll-behavior: smooth; }

body {
    min-height: 100vh;
    min-height: 100dvh;
    line-height: var(--lh-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select { font: inherit; color: inherit; }

button { background: none; border: 0; cursor: pointer; }

p, h1, h2, h3, h4, h5, h6 { overflow-wrap: break-word; }

#root, #__next { isolation: isolate; }

::selection {
    background: var(--brand-burgundy);
    color: var(--brand-cream-light);
}

/* Smooth scroll fakat reduced-motion'da kapat */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ---------- 2) Base -------------------------------------------------------- */
html { font-size: 100%; scroll-padding-top: var(--header-height); }

body {
    font-family: var(--font-body);
    font-size: var(--fs-16);
    font-weight: var(--fw-regular);
    color: var(--color-text);
    background: var(--color-bg);
    background-image: var(--grad-hero);
    background-attachment: fixed;
    transition: background-color var(--dur-slow) var(--ease-out),
                color var(--dur-slow) var(--ease-out);
}

/* ---------- 3) Tipografi --------------------------------------------------- */
h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--font-display);
    font-weight: var(--fw-bold);
    line-height: var(--lh-heading);
    letter-spacing: var(--tracking-tight);
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

h1, .h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); }
h2, .h2 { font-size: var(--fs-h2); }
h3, .h3 { font-size: var(--fs-h3); }
h4, .h4 { font-size: var(--fs-h4); }
h5, .h5 { font-size: var(--fs-h5); font-weight: var(--fw-semibold); }
h6, .h6 { font-size: var(--fs-h6); font-weight: var(--fw-semibold); }

.display {
    font-family: var(--font-display);
    font-size: var(--fs-hero);
    line-height: 1;
    letter-spacing: -0.03em;
    font-weight: var(--fw-black);
}

p { margin-bottom: var(--space-4); color: var(--color-text-soft); }

.lead {
    font-size: var(--fs-20);
    line-height: var(--lh-body);
    color: var(--color-text-soft);
    max-width: 60ch;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-size: var(--fs-12);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--tracking-xwide);
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-3);
}

.eyebrow::before {
    content: '';
    width: 32px;
    height: 1px;
    background: currentColor;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-color);
}

a:hover { color: var(--color-primary-hover); }

a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: var(--radius-xs);
}

ul, ol { padding-left: 1.2em; }
ul.clean, ol.clean { padding-left: 0; list-style: none; }

hr {
    border: 0;
    height: 1px;
    background: var(--color-border);
    margin: var(--space-7) 0;
}

/* ---------- 4) Yardımcılar ------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--section-px);
}

.container-narrow {
    width: 100%;
    max-width: var(--container-narrow);
    margin-inline: auto;
    padding-inline: var(--section-px);
}

.section {
    padding-block: var(--section-py);
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-7);
}

.section-header .lead { margin-inline: auto; }

.visually-hidden {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap;
    border: 0;
}

.flow > * + * { margin-top: var(--flow-space, var(--space-4)); }

.text-accent    { color: var(--color-accent); }
.text-primary   { color: var(--color-primary); }
.text-muted     { color: var(--color-text-muted); }
.text-center    { text-align: center; }
.text-balance   { text-wrap: balance; }

.stack-sm { display: grid; gap: var(--space-2); }
.stack    { display: grid; gap: var(--space-4); }
.stack-md { display: grid; gap: var(--space-5); }
.stack-lg { display: grid; gap: var(--space-7); }

/* ---------- 5) Buton sistemi ---------------------------------------------- */
.btn {
    --_bg:     var(--color-primary);
    --_fg:     var(--color-on-primary);
    --_bg-h:   var(--color-primary-hover);
    --_bd:     transparent;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.95em 1.8em;
    font-family: var(--font-body);
    font-size: var(--fs-14);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    line-height: 1;
    color: var(--_fg);
    background: var(--_bg);
    border: 1.5px solid var(--_bd);
    border-radius: var(--radius-full);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition: transform var(--dur-base) var(--ease-spring),
                background-color var(--dur-base) var(--ease-out),
                color var(--dur-base) var(--ease-out),
                box-shadow var(--dur-base) var(--ease-out);
    will-change: transform;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--_bg-h);
    transform: translateY(100%);
    transition: transform var(--dur-slow) var(--ease-out);
    z-index: -1;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--_fg);
}

.btn:hover::before { transform: translateY(0); }

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

.btn:focus-visible {
    outline: none;
    box-shadow: var(--shadow-ring);
}

.btn .icon { width: 1.1em; height: 1.1em; flex-shrink: 0; }

/* Buton içinde bekleme spinner'ı (AJAX gönderim) */
.btn-spinner {
    display: inline-block;
    width: 14px; height: 14px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: btnSpin 700ms linear infinite;
    vertical-align: middle;
    margin-right: 4px;
}
@keyframes btnSpin { to { transform: rotate(360deg); } }

.btn:disabled { opacity: 0.7; cursor: progress; }

/* Varyantlar */
.btn--accent {
    --_bg: var(--color-accent);
    --_fg: var(--color-on-accent);
    --_bg-h: var(--color-accent-hover);
}

.btn--ghost {
    --_bg: transparent;
    --_fg: var(--color-primary);
    --_bg-h: var(--color-primary);
    --_bd: currentColor;
}

.btn--ghost:hover { --_fg: var(--color-on-primary); }

.btn--light {
    --_bg: var(--color-surface);
    --_fg: var(--color-text);
    --_bg-h: var(--color-surface-alt);
}

.btn--lg { padding: 1.15em 2.2em; font-size: var(--fs-16); }
.btn--sm { padding: 0.7em 1.4em; font-size: var(--fs-12); }

/* Aksiyon linki (buton değil, altı çizgili) */
.link-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    font-size: var(--fs-12);
    color: var(--color-primary);
    padding-bottom: 2px;
    border-bottom: 1.5px solid currentColor;
}

.link-cta .icon { transition: transform var(--dur-base) var(--ease-spring); }
.link-cta:hover .icon { transform: translateX(4px); }

/* ---------- 6) Form elemanları -------------------------------------------- */
.field { display: grid; gap: var(--space-2); }

.field label,
.field-label {
    font-size: var(--fs-14);
    font-weight: var(--fw-medium);
    color: var(--color-text);
    letter-spacing: var(--tracking-wide);
}

.input,
.textarea,
.select {
    width: 100%;
    padding: 0.9em 1.1em;
    font-family: var(--font-body);
    font-size: var(--fs-16);
    line-height: 1.4;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1.5px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    transition: border-color var(--dur-fast) var(--ease-out),
                box-shadow var(--dur-fast) var(--ease-out),
                background-color var(--dur-fast) var(--ease-out);
}

.input:focus,
.textarea:focus,
.select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-ring);
}

.textarea { min-height: 140px; resize: vertical; }

.input::placeholder,
.textarea::placeholder { color: var(--color-text-muted); }

/* ---------- 7) Kart temeli ------------------------------------------------ */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: transform var(--dur-slow) var(--ease-out),
                box-shadow var(--dur-slow) var(--ease-out),
                border-color var(--dur-slow) var(--ease-out),
                background-color var(--dur-slow) var(--ease-out);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border-strong);
}

.card-glass {
    background: rgba(255, 248, 236, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(237, 207, 162, 0.4);
}

/* ---------- 8) Animasyon yardımcıları (GSAP'ten önce çalışır) ------------- */

/* Scroll reveal — JS bunu .is-visible sınıfı ile açar */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity var(--dur-slower) var(--ease-out),
                transform var(--dur-slower) var(--ease-out);
}

.reveal.is-visible { opacity: 1; transform: none; }

.reveal--left  { transform: translateX(-32px); }
.reveal--right { transform: translateX(32px); }
.reveal--scale { transform: scale(0.92); }

.reveal--left.is-visible,
.reveal--right.is-visible,
.reveal--scale.is-visible { transform: none; }

/* Stagger delay'leri (kart gridleri için) */
.stagger-item { transition-delay: calc(var(--i, 0) * 80ms); }

/* Fade in (sayfa yüklendiğinde) */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: none; }
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(212, 160, 86, 0.6); }
    50%      { transform: scale(1.05); box-shadow: 0 0 0 12px rgba(212, 160, 86, 0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-8px); }
}

@keyframes marquee {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.anim-float  { animation: float 6s ease-in-out infinite; }
.anim-pulse  { animation: pulse 2.4s ease-in-out infinite; }

/* Gradient shimmer (logo yükleme, metin üzeri parlama) */
.shimmer {
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(212, 160, 86, 0.3) 50%,
        transparent 100%);
    background-size: 200% 100%;
    animation: shimmer 2.5s ease-in-out infinite;
}

/* ---------- 9) Bölüm temelleri -------------------------------------------- */
.section-dark {
    background: var(--color-bg-dark);
    color: var(--color-text-invert);
}

.section-dark .eyebrow    { color: var(--color-accent); }
.section-dark h1, .section-dark h2, .section-dark h3,
.section-dark h4, .section-dark h5, .section-dark h6 { color: var(--color-text-invert); }
.section-dark p            { color: rgba(251, 233, 206, 0.8); }

/* ---------- 10) Yükleme göstergesi (sayfa ilk açıldığında) ----------------- */
.page-loader {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    z-index: var(--z-overlay);
    display: grid;
    place-items: center;
    pointer-events: none;
    transition: opacity var(--dur-cinema) var(--ease-out) 200ms,
                visibility 0s var(--dur-cinema) 200ms;
}

.page-loader.is-ready {
    opacity: 0;
    visibility: hidden;
}

.page-loader img {
    max-width: 220px;
    animation: fadeUp var(--dur-slow) var(--ease-out);
}

/* Light = bordo logo, dark = krem logo (img'e nitelendirilmiş, specificity) */
.page-loader img.page-loader__img--light { display: block; }
.page-loader img.page-loader__img--dark  { display: none; }
[data-theme="dark"] .page-loader img.page-loader__img--light { display: none; }
[data-theme="dark"] .page-loader img.page-loader__img--dark  { display: block; }

/* ---------- Sürümlü medya sorguları ---------------------------------------- */
@media (max-width: 768px) {
    :root {
        --header-height: var(--header-height-sm);
    }
}