/* ═══════════════════════════════════════════════════════════════
   GASTFOOD — Apple-style shared stylesheet
   Nav + tokens + section patterns + typography + footer
   Kullanım: tüm yeni stilli sayfalarda <link> ile eklenir.
   ═══════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:          #ffffff;
    --bg-soft:     #f5f5f7;
    --bg-dark:     #000000;
    --ink:         #1d1d1f;
    --ink-soft:    #515154;
    --ink-dim:     #6e6e73;
    --line:        rgba(0,0,0,0.08);
    --line-dark:   rgba(255,255,255,0.10);
    --accent:      #ff9800;
    --accent-2:    #ff6f00;
    --accent-grad: linear-gradient(135deg, #ff9800, #ff6f00);
    --blue:        #0071e3;
    --radius-lg:   28px;
    --radius-md:   18px;
    --radius-sm:   12px;
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', sans-serif;
    color: var(--ink); background: var(--bg);
    overflow-x: hidden;
    font-size: 17px; line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ═══ NAV (glass blur — iki tema ortak) ═══ */
.nav {
    position: fixed; top: 0; left: 0; right: 0;
    background: rgba(251, 251, 253, 0.80);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.04);
    z-index: 9999;
    transition: background 0.3s;
}
.nav-inner {
    max-width: 1100px; margin: 0 auto;
    height: 68px; padding: 0 22px;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
    display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink);
    padding: 10px 4px;
}
.nav-logo img { height: 34px; }
.nav-logo .tag { font-size: 12px; font-weight: 600; color: var(--accent); letter-spacing: 0.03em; }
.nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
.nav-links a {
    color: var(--ink); text-decoration: none; font-size: 13.5px; font-weight: 500;
    opacity: 0.88; transition: opacity 0.15s;
}
.nav-links a:hover { opacity: 1; }
.nav-cta {
    background: var(--ink); color: #fff !important;
    padding: 8px 18px; border-radius: 999px;
    font-size: 13px; font-weight: 600; opacity: 1 !important;
    transition: transform 0.15s;
}
.nav-cta:hover { transform: translateY(-1px); }
.nav-burger { display: none; }

@media (max-width: 833px) {
    .nav-inner { height: 60px; padding: 0 16px; }
    .nav-logo img { height: 30px; }
    .nav-links li:not(.nav-cta-li):not(.nav-biz-li) { display: none; }
    .nav-burger {
        display: flex; flex-direction: column; gap: 3px;
        background: transparent; border: none; cursor: pointer; padding: 4px;
    }
    .nav-burger span { width: 18px; height: 1.5px; background: var(--ink); display: block; }
}

/* ═══ HERO — Dark variant (product pages) ═══ */
.hero {
    min-height: 100vh;
    background: #000;
    color: #fff;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center;
    padding: 140px 22px 80px;
    position: relative; overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(255,152,0,0.28) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 50% 100%, rgba(255,111,0,0.18) 0%, transparent 60%);
    pointer-events: none;
}
.hero h1 {
    font-size: clamp(44px, 6.8vw, 88px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.025em;
    max-width: 1000px;
    margin-bottom: 22px;
    position: relative; z-index: 2;
}
.hero h1 .grad {
    background: linear-gradient(135deg, #ff9800 0%, #ffcc80 50%, #ff6f00 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
    font-size: clamp(18px, 1.6vw, 22px); font-weight: 400;
    color: rgba(255,255,255,0.78); max-width: 680px;
    margin-bottom: 34px; line-height: 1.45;
    letter-spacing: -0.005em;
    position: relative; z-index: 2;
}
.hero-cta { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; position: relative; z-index: 2; }
.hero-cta a {
    color: var(--blue); font-size: 16px; font-weight: 500;
    display: inline-flex; align-items: center; gap: 4px;
    transition: opacity 0.15s;
}
.hero-cta a::after { content: '›'; font-size: 18px; line-height: 1; margin-left: 3px; }
.hero-cta a:hover { text-decoration: underline; }
.hero-cta .primary {
    background: #0071e3; color: #fff;
    padding: 12px 24px; border-radius: 980px; font-weight: 500;
}
.hero-cta .primary:hover { background: #0077ed; text-decoration: none; }
.hero-cta .primary::after { content: none; }

/* ═══ HERO — Light/White variant (contact, about, legal) ═══ */
.hero-light {
    background: var(--bg-soft);
    color: var(--ink);
    min-height: 44vh;
    padding: 150px 22px 70px;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center;
    position: relative;
}
.hero-light::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(255,152,0,0.08) 0%, transparent 60%);
    pointer-events: none;
}
.hero-light h1 {
    font-size: clamp(40px, 5.6vw, 72px);
    font-weight: 700; letter-spacing: -0.03em;
    line-height: 1.05; margin-bottom: 16px;
    max-width: 860px; position: relative; z-index: 1;
}
.hero-light .hero-sub {
    color: var(--ink-soft); font-size: clamp(17px, 1.4vw, 21px);
    max-width: 640px; line-height: 1.5;
    position: relative; z-index: 1;
}

/* ═══ SECTION patterns ═══ */
.section {
    padding: 120px 22px;
    position: relative;
}
.section.dark  { background: #000; color: #fff; }
.section.soft  { background: var(--bg-soft); }
.section.tight { padding: 70px 22px; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-head  { text-align: center; max-width: 860px; margin: 0 auto 60px; }
.section-head h2 {
    font-size: clamp(32px, 4.4vw, 56px); font-weight: 700;
    letter-spacing: -0.025em; line-height: 1.08;
    margin-bottom: 16px;
}
.section-head .lead {
    font-size: clamp(17px, 1.4vw, 20px); color: var(--ink-soft); line-height: 1.5;
}
.section.dark .section-head .lead { color: rgba(255,255,255,0.72); }

/* Grid helpers */
.grid-3 {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.grid-2 {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px;
}
@media (max-width: 833px) {
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .section { padding: 80px 22px; }
    .section-head { margin-bottom: 44px; }
}

/* Feature card */
.feature {
    background: var(--bg-soft);
    border-radius: var(--radius-md);
    padding: 30px;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.feature:hover { transform: translateY(-3px); }
.section.dark .feature { background: #1c1c1e; color: #fff; }
.feature .ico {
    width: 44px; height: 44px; border-radius: 12px;
    background: var(--accent-grad); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; margin-bottom: 18px;
}
.feature h3 {
    font-size: 21px; font-weight: 600; margin-bottom: 8px;
    letter-spacing: -0.015em;
}
.feature p { color: var(--ink-soft); font-size: 15.5px; line-height: 1.5; }
.section.dark .feature p { color: rgba(255,255,255,0.72); }

/* Button */
.btn-primary {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--ink); color: #fff !important;
    padding: 13px 26px; border-radius: 999px;
    font-size: 15px; font-weight: 600;
    transition: transform 0.15s, background 0.15s;
}
.btn-primary:hover { transform: translateY(-1px); }
.section.dark .btn-primary { background: #fff; color: #000 !important; }

.btn-ghost {
    display: inline-flex; align-items: center; gap: 6px;
    background: transparent; color: var(--ink);
    border: 1px solid var(--line);
    padding: 12px 24px; border-radius: 999px;
    font-size: 15px; font-weight: 500;
}
.btn-ghost:hover { background: var(--bg-soft); }

/* Prose (legal pages) */
.prose {
    max-width: 820px; margin: 0 auto;
    font-size: 16.5px; line-height: 1.7; color: var(--ink-soft);
}
.prose h2 {
    font-size: 26px; font-weight: 700; color: var(--ink);
    margin: 50px 0 14px; letter-spacing: -0.015em;
    scroll-margin-top: 100px;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
    font-size: 19px; font-weight: 600; color: var(--ink);
    margin: 30px 0 10px; letter-spacing: -0.01em;
}
.prose p   { margin: 12px 0; }
.prose ul, .prose ol { margin: 12px 0 12px 1.4em; }
.prose li  { margin: 6px 0; }
.prose a   { color: var(--blue); }
.prose a:hover { text-decoration: underline; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 34px 0; }
.prose .lead-note {
    background: var(--bg-soft); border-left: 3px solid var(--accent);
    padding: 14px 18px; border-radius: 10px; margin: 20px 0;
    color: var(--ink); font-size: 15.5px;
}

/* ═══ CTA BAND ═══ */
.cta-band {
    padding: 110px 22px;
    background: #000; color: #fff; text-align: center;
    position: relative; overflow: hidden;
}
.cta-band::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(255,152,0,0.25) 0%, transparent 60%);
    pointer-events: none;
}
.cta-band h2 {
    font-size: clamp(32px, 4vw, 52px); font-weight: 700;
    max-width: 780px; margin: 0 auto 16px;
    letter-spacing: -0.025em; line-height: 1.1;
    position: relative; z-index: 1;
}
.cta-band p {
    max-width: 600px; margin: 0 auto 30px;
    color: rgba(255,255,255,0.72); font-size: 18px;
    position: relative; z-index: 1;
}
.cta-band .cta-actions { position: relative; z-index: 1; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-band .primary {
    background: #fff; color: #000 !important;
    padding: 13px 28px; border-radius: 999px;
    font-weight: 600;
}
.cta-band .ghost {
    color: #fff !important; border: 1px solid rgba(255,255,255,0.3);
    padding: 12px 26px; border-radius: 999px;
}

/* ═══ FOOTER ═══ */
.site-footer {
    background: #f5f5f7;
    color: var(--ink-dim);
    padding: 48px 22px 30px;
    font-size: 13px;
    border-top: 1px solid var(--line);
}
.site-footer-inner { max-width: 1100px; margin: 0 auto; }
.site-footer .fcols {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px;
    margin-bottom: 32px;
}
.site-footer h4 {
    font-size: 13px; font-weight: 600; color: var(--ink);
    margin-bottom: 12px; letter-spacing: 0.01em;
}
.site-footer .fcol ul { list-style: none; }
.site-footer .fcol a {
    color: var(--ink-dim); text-decoration: none; display: block;
    padding: 4px 0; font-size: 13px;
}
.site-footer .fcol a:hover { color: var(--ink); }
.site-footer .fbottom {
    border-top: 1px solid var(--line);
    padding-top: 20px;
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
    font-size: 12px;
}
@media (max-width: 833px) {
    .site-footer .fcols { grid-template-columns: repeat(2, 1fr); }
    .site-footer .fbottom { flex-direction: column; text-align: center; }
}