/* =====================================================================
   VIZYONIC — Ana Stil Dosyası
   Premium, minimal, kurumsal dijital ajans tasarım sistemi.
   ===================================================================== */

/* ---------------------------------------------------------------------
   1. DEĞİŞKENLER (Logo renk paletinden türetilmiştir)
   --------------------------------------------------------------------- */
:root {
    /* Marka renkleri */
    --color-primary: #00E5FF;
    --color-primary-dark: #00B8CC;
    --color-secondary: #0A7EA4;
    --color-dark: #0B0D14;
    --color-dark-soft: #12151F;
    --color-dark-elevated: #1A1E2B;

    /* Nötrler */
    --color-white: #FFFFFF;
    --color-off-white: #F6F9FB;
    --color-grey-100: #EEF2F5;
    --color-grey-200: #DCE3E8;
    --color-grey-400: #9AA7B2;
    --color-grey-600: #5D6B76;
    --color-grey-800: #2A323B;
    --color-text: #202733;
    --color-text-soft: #566072;

    /* Durum renkleri */
    --color-success: #17B26A;
    --color-danger: #E5484D;

    /* Gradients */
    --gradient-brand: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-dark: linear-gradient(160deg, #0B0D14 0%, #10141F 55%, #0A2530 100%);

    /* Tipografi */
    --font-heading: 'Poppins', 'Segoe UI', sans-serif;
    --font-body: 'Inter', 'Segoe UI', sans-serif;

    /* Boşluk ölçeği */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    /* Yarıçap & gölge */
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 999px;
    --shadow-sm: 0 2px 8px rgba(11, 13, 20, 0.06);
    --shadow-md: 0 12px 32px rgba(11, 13, 20, 0.10);
    --shadow-lg: 0 24px 60px rgba(11, 13, 20, 0.16);
    --shadow-brand: 0 16px 40px rgba(0, 229, 255, 0.22);

    --container-width: 1240px;
    --header-height: 84px;
    --transition-fast: 0.2s ease;
    --transition-base: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------------------------------------------------------------------
   2. TEMEL / RESET
   --------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-white);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; margin: 0 0 var(--space-sm); color: var(--color-dark); }
p { margin: 0 0 var(--space-sm); color: var(--color-text-soft); }
button { font-family: inherit; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
iframe { border: 0; }

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
    position: absolute; top: -60px; left: var(--space-sm); background: var(--color-dark); color: var(--color-white);
    padding: 0.75rem 1.25rem; border-radius: var(--radius-sm); z-index: 2000; transition: top var(--transition-fast);
}
.skip-link:focus { top: var(--space-sm); }

:focus-visible { outline: 2.5px solid var(--color-primary); outline-offset: 3px; border-radius: 4px; }

.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }

/* ---------------------------------------------------------------------
   3. TİPOGRAFİ YARDIMCILARI
   --------------------------------------------------------------------- */
.section-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-heading); font-weight: 600; font-size: 0.85rem;
    letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-secondary);
    margin-bottom: var(--space-xs);
}
.section-title { font-size: clamp(1.8rem, 3vw, 2.6rem); margin-bottom: var(--space-sm); }
.section-desc { font-size: 1.05rem; max-width: 640px; color: var(--color-text-soft); }
.section-head { max-width: 720px; margin-bottom: var(--space-xl); }
.section-head.light .section-desc, .section-head.light .section-title { color: var(--color-white); }
.section-head.light .section-desc { color: rgba(255,255,255,0.72); }

/* ---------------------------------------------------------------------
   4. BUTONLAR
   --------------------------------------------------------------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-family: var(--font-heading); font-weight: 600; font-size: 0.95rem;
    padding: 0.9rem 1.7rem; border-radius: var(--radius-full); border: 2px solid transparent;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
    white-space: nowrap;
}
.btn svg { flex-shrink: 0; }
.btn-primary { background: var(--gradient-brand); color: var(--color-dark); box-shadow: var(--shadow-brand); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 48px rgba(0, 229, 255, 0.3); }
.btn-outline { background: transparent; color: var(--color-dark); border-color: var(--color-grey-200); }
.btn-outline:hover { border-color: var(--color-secondary); color: var(--color-secondary); transform: translateY(-2px); }
.btn-ghost { background: rgba(255,255,255,0.08); color: var(--color-white); border-color: rgba(255,255,255,0.25); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255,255,255,0.16); transform: translateY(-2px); }
.btn-lg { padding: 1.05rem 2.1rem; font-size: 1rem; }
.btn-sm { padding: 0.6rem 1.2rem; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ---------------------------------------------------------------------
   5. İKONLAR
   --------------------------------------------------------------------- */
.icon { width: 24px; height: 24px; }
.icon-sm { width: 18px; height: 18px; }
.icon-xs { width: 15px; height: 15px; }
.icon-brand { width: 22px; height: 22px; }
.icon-quote { width: 32px; height: 32px; color: var(--color-primary); opacity: 0.5; }
.icon-yes { color: var(--color-success); }
.icon-no { color: var(--color-grey-400); }
.rotate-180 { transform: rotate(180deg); }

/* ---------------------------------------------------------------------
   6. ÜST MENÜ (HEADER / NAV)
   --------------------------------------------------------------------- */
.site-header {
    position: fixed; inset: 0 0 auto 0; z-index: 900; height: var(--header-height);
    display: flex; align-items: center;
    background: rgba(11, 13, 20, 0.42); backdrop-filter: blur(10px);
    transition: background var(--transition-base), box-shadow var(--transition-base), height var(--transition-base);
}
.site-header.is-scrolled {
    background: rgba(11, 13, 20, 0.9); backdrop-filter: blur(14px); box-shadow: var(--shadow-md); height: 72px;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); }
.brand-logo { height: 38px; width: auto; }
.main-nav ul { display: flex; align-items: center; gap: var(--space-lg); }
.main-nav a {
    font-family: var(--font-heading); font-weight: 500; font-size: 0.95rem; color: var(--color-white);
    position: relative; padding: 6px 0; opacity: 0.88;
}
.main-nav a::after {
    content: ''; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0;
    background: var(--gradient-brand); transition: width var(--transition-fast);
}
.main-nav a:hover { opacity: 1; }
.main-nav a:hover::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: var(--space-sm); }
.nav-toggle {
    display: none; background: none; border: none; color: var(--color-white); padding: 8px; position: relative;
}
.nav-toggle-icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon-close { display: block; }

/* ---------------------------------------------------------------------
   7. HERO
   --------------------------------------------------------------------- */
.hero {
    position: relative; min-height: 92vh; display: flex; align-items: center;
    background: var(--gradient-dark); overflow: hidden; padding: calc(var(--header-height) + 40px) 0 var(--space-2xl);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-glow {
    position: absolute; top: -20%; right: -10%; width: 60%; height: 80%;
    background: radial-gradient(circle, rgba(0,229,255,0.18) 0%, rgba(0,229,255,0) 70%);
    filter: blur(10px);
}
.shape { position: absolute; opacity: 0.55; }
.shape-diamond { width: 46px; height: 46px; background: var(--gradient-brand); transform: rotate(45deg); border-radius: 8px; }
.shape-1 { top: 18%; left: 8%; animation: floatY 7s ease-in-out infinite; }
.shape-2 { bottom: 16%; left: 20%; width: 26px; height: 26px; animation: floatY 5.5s ease-in-out infinite reverse; }
.shape-ring { top: 12%; right: 12%; width: 130px; height: 130px; border: 2px solid rgba(0,229,255,0.35); border-radius: 50%; animation: spin 24s linear infinite; }
.shape-triangle {
    bottom: 10%; right: 18%; width: 0; height: 0;
    border-left: 30px solid transparent; border-right: 30px solid transparent; border-bottom: 52px solid rgba(10,126,164,0.4);
    animation: floatY 6.5s ease-in-out infinite;
}
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-18px); } }
@keyframes spin { to { transform: rotate(360deg); } }

.hero-inner { position: relative; z-index: 1; max-width: 760px; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 8px; color: var(--color-primary);
    font-family: var(--font-heading); font-weight: 600; font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase;
    background: rgba(0, 229, 255, 0.1); border: 1px solid rgba(0,229,255,0.25); padding: 8px 16px; border-radius: var(--radius-full);
}
.hero-title { font-size: clamp(2.4rem, 5.2vw, 4rem); color: var(--color-white); margin: var(--space-md) 0 var(--space-sm); letter-spacing: -0.01em; }
.hero-subtitle { font-size: 1.15rem; color: rgba(255,255,255,0.78); max-width: 620px; margin-bottom: var(--space-lg); }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-bottom: var(--space-2xl); }
.hero-stats { display: flex; flex-wrap: wrap; gap: var(--space-xl); margin: 0; padding-top: var(--space-lg); border-top: 1px solid rgba(255,255,255,0.12); }
.stat-value { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 800; color: var(--color-white); margin: 0; }
.stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* ---------------------------------------------------------------------
   8. GÜVEN / TRUST BAR
   --------------------------------------------------------------------- */
.trust-bar { background: var(--color-off-white); padding: var(--space-md) 0; border-bottom: 1px solid var(--color-grey-100); }
.trust-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-md); }
.trust-badge { display: flex; align-items: center; gap: var(--space-sm); background: var(--color-white); padding: 12px 22px; border-radius: var(--radius-full); box-shadow: var(--shadow-sm); }
.trust-badge-icons { display: flex; gap: 6px; color: var(--color-secondary); }
.trust-badge-text { display: flex; flex-direction: column; line-height: 1.3; }
.trust-badge-text strong { font-family: var(--font-heading); font-size: 0.95rem; color: var(--color-dark); }
.trust-badge-text span { font-size: 0.78rem; color: var(--color-text-soft); }
.trust-points { display: flex; flex-wrap: wrap; gap: var(--space-lg); }
.trust-points li { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; font-weight: 500; color: var(--color-text-soft); }
.trust-points .icon { color: var(--color-secondary); }

/* ---------------------------------------------------------------------
   9. HAKKIMIZDA
   --------------------------------------------------------------------- */
.about { padding: var(--space-3xl) 0 var(--space-xl); }
.about-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: var(--space-2xl); align-items: center; margin-bottom: var(--space-2xl); }
.about-media { position: relative; }
.about-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.about-media-card {
    position: absolute; bottom: -24px; left: -24px; background: var(--color-white); border-radius: var(--radius-md);
    padding: 18px 24px; box-shadow: var(--shadow-lg); display: flex; flex-direction: column; border: 1px solid var(--color-grey-100);
}
.about-media-card-value { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 800; background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.about-media-card-label { font-size: 0.8rem; color: var(--color-text-soft); }
.about-intro { font-size: 1.05rem; }
.about-mv { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); margin: var(--space-md) 0 var(--space-lg); }
.mv-card { background: var(--color-off-white); border-radius: var(--radius-md); padding: var(--space-md); }
.mv-card h3 { display: flex; align-items: center; gap: 8px; font-size: 1.05rem; margin-bottom: 8px; color: var(--color-secondary); }
.mv-card p { margin: 0; font-size: 0.92rem; }
.value-list { display: flex; flex-direction: column; gap: var(--space-md); }
.value-list li { display: flex; gap: var(--space-sm); align-items: flex-start; }
.value-icon { flex-shrink: 0; width: 44px; height: 44px; border-radius: var(--radius-sm); background: var(--gradient-brand); color: var(--color-dark); display: flex; align-items: center; justify-content: center; }
.value-list strong { display: block; font-family: var(--font-heading); margin-bottom: 2px; }
.value-list p { margin: 0; font-size: 0.92rem; }

.why-choose { background: var(--color-off-white); border-radius: var(--radius-lg); padding: var(--space-xl); }
.why-choose-title { text-align: center; font-size: 1.6rem; margin-bottom: var(--space-lg); }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.feature-card { background: var(--color-white); border-radius: var(--radius-md); padding: var(--space-md); box-shadow: var(--shadow-sm); transition: transform var(--transition-fast), box-shadow var(--transition-fast); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.feature-icon { display: inline-flex; width: 46px; height: 46px; align-items: center; justify-content: center; border-radius: var(--radius-sm); background: rgba(0,229,255,0.12); color: var(--color-secondary); margin-bottom: var(--space-xs); }
.feature-card h4 { font-size: 1rem; margin-bottom: 6px; }
.feature-card p { font-size: 0.88rem; margin: 0; }

/* ---------------------------------------------------------------------
   10. HİZMETLER
   --------------------------------------------------------------------- */
.services { padding: var(--space-xl) 0; background: var(--color-white); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.service-card {
    background: var(--color-white); border: 1px solid var(--color-grey-100); border-radius: var(--radius-md);
    padding: var(--space-lg) var(--space-md); transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative; overflow: hidden;
}
.service-card::before {
    content: ''; position: absolute; inset: 0; background: var(--gradient-brand); opacity: 0; transition: opacity var(--transition-base); z-index: 0;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
.service-card > * { position: relative; z-index: 1; }
.service-icon {
    display: inline-flex; align-items: center; justify-content: center; width: 56px; height: 56px;
    border-radius: var(--radius-sm); background: rgba(0, 229, 255, 0.12); color: var(--color-secondary);
    margin-bottom: var(--space-sm); transition: transform var(--transition-fast);
}
.service-card:hover .service-icon { transform: scale(1.08) rotate(-4deg); }
.service-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.service-card p { font-size: 0.93rem; margin-bottom: var(--space-sm); }
.service-link { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-heading); font-weight: 600; font-size: 0.88rem; color: var(--color-secondary); }
.service-link .icon { transition: transform var(--transition-fast); }
.service-card:hover .service-link .icon { transform: translate(3px, -3px); }

/* ---------------------------------------------------------------------
   11. KARŞILAŞTIRMA (NEDEN VİZYONİC)
   --------------------------------------------------------------------- */
.comparison { padding: var(--space-2xl) 0; background: var(--gradient-dark); }
.comparison-table-wrap { overflow-x: auto; border-radius: var(--radius-lg); background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); }
.comparison-table { min-width: 560px; }
.comparison-table th, .comparison-table td { padding: 18px 24px; text-align: center; color: rgba(255,255,255,0.85); font-size: 0.95rem; }
.comparison-table thead th { font-family: var(--font-heading); font-weight: 600; color: var(--color-white); border-bottom: 1px solid rgba(255,255,255,0.12); }
.comparison-table th[scope="row"] { text-align: left; font-weight: 500; }
.comparison-table tbody tr:not(:last-child) td, .comparison-table tbody tr:not(:last-child) th { border-bottom: 1px solid rgba(255,255,255,0.06); }
.comparison-table .highlight-col { background: rgba(0, 229, 255, 0.08); }
.comparison-table thead .highlight-col { border-radius: 12px 12px 0 0; color: var(--color-primary); }
.partial-dot { color: rgba(255,255,255,0.4); }

/* ---------------------------------------------------------------------
   12. PORTFOLYO
   --------------------------------------------------------------------- */
.portfolio { padding: var(--space-2xl) 0; }
.portfolio-filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: var(--space-lg); }
.filter-btn {
    background: var(--color-off-white); border: 1px solid var(--color-grey-100); color: var(--color-text-soft);
    font-family: var(--font-heading); font-weight: 500; font-size: 0.88rem; padding: 10px 20px; border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}
.filter-btn:hover { border-color: var(--color-secondary); color: var(--color-secondary); }
.filter-btn.is-active { background: var(--gradient-brand); border-color: transparent; color: var(--color-dark); }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.portfolio-card { border-radius: var(--radius-md); overflow: hidden; transition: opacity var(--transition-base), transform var(--transition-base); }
.portfolio-card.is-hidden { display: none; }
.portfolio-card-trigger { display: block; width: 100%; text-align: left; background: none; border: none; padding: 0; }
.portfolio-media { position: relative; display: block; overflow: hidden; border-radius: var(--radius-md); aspect-ratio: 4/3; background: var(--color-off-white); }
.portfolio-media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-base); }
.portfolio-card-trigger:hover .portfolio-media img { transform: scale(1.06); }
.portfolio-overlay {
    position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,13,20,0) 40%, rgba(11,13,20,0.85) 100%);
    display: flex; align-items: flex-end; justify-content: center; padding-bottom: 20px; gap: 8px;
    color: var(--color-white); font-weight: 600; font-size: 0.9rem; opacity: 0; transition: opacity var(--transition-fast);
}
.portfolio-card-trigger:hover .portfolio-overlay { opacity: 1; }
.portfolio-info { display: block; padding-top: var(--space-sm); }
.portfolio-cat { display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-secondary); font-weight: 600; margin-bottom: 4px; }
.portfolio-title { display: block; font-family: var(--font-heading); font-weight: 600; font-size: 1.05rem; color: var(--color-dark); }

/* ---------------------------------------------------------------------
   13. MÜŞTERİ YORUMLARI
   --------------------------------------------------------------------- */
.testimonials { padding: var(--space-2xl) 0; background: var(--color-dark); }
.testimonial-slider { position: relative; }
.testimonial-track { display: flex; transition: transform var(--transition-base); }
.testimonial-card {
    flex: 0 0 100%; max-width: 100%; margin: 0; background: var(--color-dark-elevated); border-radius: var(--radius-lg);
    padding: var(--space-xl); display: flex; flex-direction: column; gap: var(--space-sm);
}
.testimonial-card blockquote { margin: 0; }
.testimonial-card p { color: rgba(255,255,255,0.86); font-size: 1.15rem; line-height: 1.7; }
.testimonial-card figcaption { display: flex; align-items: center; gap: 12px; margin-top: var(--space-sm); }
.testimonial-card figcaption img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; }
.testimonial-card figcaption strong { color: var(--color-white); display: block; font-family: var(--font-heading); }
.testimonial-card figcaption span { color: rgba(255,255,255,0.55); font-size: 0.85rem; }
.stars { display: inline-flex; gap: 3px; }
.star { color: rgba(255,255,255,0.2); }
.star .icon { width: 16px; height: 16px; }
.star.is-filled { color: var(--color-primary); }
.testimonial-controls { display: flex; align-items: center; justify-content: center; gap: var(--space-md); margin-top: var(--space-lg); }
.slider-btn {
    width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.2); background: transparent;
    color: var(--color-white); display: flex; align-items: center; justify-content: center; transition: all var(--transition-fast);
}
.slider-btn:hover { background: var(--gradient-brand); color: var(--color-dark); border-color: transparent; }
.testimonial-dots { display: flex; gap: 8px; }
.testimonial-dots .dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,0.25); border: none; padding: 0; transition: all var(--transition-fast); }
.testimonial-dots .dot.is-active { background: var(--color-primary); width: 24px; border-radius: var(--radius-full); }

/* ---------------------------------------------------------------------
   14. ÇALIŞMA SÜRECİ
   --------------------------------------------------------------------- */
.process { padding: var(--space-2xl) 0; }
.process-timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg) var(--space-md); counter-reset: step; }
.process-step { position: relative; padding-top: var(--space-md); border-top: 3px solid var(--color-grey-100); transition: border-color var(--transition-fast); }
.process-step:hover { border-color: var(--color-primary); }
.process-number { font-family: var(--font-heading); font-weight: 800; font-size: 0.85rem; color: var(--color-grey-400); letter-spacing: 0.06em; }
.process-icon { display: flex; width: 48px; height: 48px; align-items: center; justify-content: center; border-radius: var(--radius-sm); background: var(--gradient-brand); color: var(--color-dark); margin: var(--space-xs) 0 var(--space-sm); }
.process-step h3 { font-size: 1.05rem; margin-bottom: 6px; }
.process-step p { font-size: 0.88rem; margin: 0; }

/* ---------------------------------------------------------------------
   15. FİYATLANDIRMA
   --------------------------------------------------------------------- */
.pricing { padding: var(--space-2xl) 0; background: var(--gradient-dark); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); align-items: stretch; }
.pricing-card {
    background: var(--color-dark-elevated); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg);
    padding: var(--space-lg); display: flex; flex-direction: column; position: relative; transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.pricing-card:hover { transform: translateY(-8px); }
.pricing-card h3 { color: var(--color-white); font-size: 1.3rem; }
.pricing-desc { color: rgba(255,255,255,0.6); font-size: 0.88rem; min-height: 44px; }
.pricing-amount { display: flex; align-items: baseline; gap: 6px; margin: var(--space-sm) 0 var(--space-md); }
.price { font-family: var(--font-heading); font-size: 2.1rem; font-weight: 800; color: var(--color-primary); }
.period { color: rgba(255,255,255,0.5); font-size: 0.9rem; }
.pricing-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: var(--space-lg); flex-grow: 1; }
.pricing-features li { display: flex; align-items: flex-start; gap: 10px; color: rgba(255,255,255,0.82); font-size: 0.9rem; }
.pricing-card.is-featured { border-color: var(--color-primary); background: linear-gradient(160deg, rgba(0,229,255,0.08), rgba(10,126,164,0.08)), var(--color-dark-elevated); box-shadow: var(--shadow-brand); }
.pricing-badge {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--gradient-brand); color: var(--color-dark);
    font-family: var(--font-heading); font-weight: 700; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em;
    padding: 6px 18px; border-radius: var(--radius-full);
}

/* ---------------------------------------------------------------------
   16. SSS
   --------------------------------------------------------------------- */
.faq { padding: var(--space-2xl) 0; }
.faq-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: var(--space-2xl); align-items: start; }
.faq-intro { position: sticky; top: calc(var(--header-height) + 20px); }
.faq-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.faq-item { background: var(--color-off-white); border-radius: var(--radius-md); padding: 6px var(--space-md); border: 1px solid transparent; transition: border-color var(--transition-fast); }
.faq-item[open] { border-color: var(--color-primary); background: var(--color-white); box-shadow: var(--shadow-sm); }
.faq-item summary {
    list-style: none; display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm);
    padding: var(--space-sm) 0; font-family: var(--font-heading); font-weight: 600; cursor: pointer;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-chevron { flex-shrink: 0; transition: transform var(--transition-fast); color: var(--color-secondary); }
.faq-item[open] .faq-chevron { transform: rotate(180deg); }
.faq-answer { padding-bottom: var(--space-md); font-size: 0.94rem; }
.faq-answer p { margin: 0; }

/* ---------------------------------------------------------------------
   17. BLOG (ANA SAYFA ÖNİZLEME + LİSTE + DETAY)
   --------------------------------------------------------------------- */
.blog-preview { padding: var(--space-2xl) 0; background: var(--color-off-white); }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.blog-card { background: var(--color-white); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform var(--transition-base), box-shadow var(--transition-base); }
.blog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.blog-media { position: relative; display: block; aspect-ratio: 16/10; overflow: hidden; background: var(--color-grey-100); }
.blog-media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-base); }
.blog-card:hover .blog-media img { transform: scale(1.06); }
.blog-cat { position: absolute; top: 14px; left: 14px; background: var(--color-dark); color: var(--color-white); font-size: 0.72rem; font-weight: 600; padding: 5px 12px; border-radius: var(--radius-full); }
.blog-body { padding: var(--space-md); }
.blog-body time { font-size: 0.8rem; color: var(--color-grey-400); }
.blog-body h2, .blog-body h3 { font-size: 1.08rem; margin: 6px 0 8px; }
.blog-body h2 a, .blog-body h3 a { color: var(--color-dark); }
.blog-body h2 a:hover, .blog-body h3 a:hover { color: var(--color-secondary); }
.blog-body p { font-size: 0.9rem; margin-bottom: var(--space-sm); }
.blog-link { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-heading); font-weight: 600; font-size: 0.86rem; color: var(--color-secondary); }
.blog-cta { text-align: center; margin-top: var(--space-lg); }

.page-hero { background: var(--gradient-dark); padding: calc(var(--header-height) + 60px) 0 var(--space-xl); color: var(--color-white); }
.page-hero h1 { color: var(--color-white); font-size: clamp(2rem, 4vw, 3rem); }
.page-hero .section-desc { color: rgba(255,255,255,0.72); }

.blog-listing { padding: var(--space-2xl) 0; }
.blog-listing-grid { display: grid; grid-template-columns: 1fr 300px; gap: var(--space-2xl); align-items: start; }
.blog-listing .blog-grid { grid-template-columns: repeat(2, 1fr); }
.blog-sidebar { position: sticky; top: calc(var(--header-height) + 20px); display: flex; flex-direction: column; gap: var(--space-lg); }
.blog-sidebar h2 { font-size: 1.1rem; }
.blog-categories { display: flex; flex-direction: column; gap: 4px; }
.blog-categories a { display: block; padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.92rem; color: var(--color-text-soft); }
.blog-categories a:hover, .blog-categories a.is-active { background: var(--color-off-white); color: var(--color-secondary); font-weight: 600; }
.blog-sidebar-cta { background: var(--gradient-dark); border-radius: var(--radius-md); padding: var(--space-md); color: var(--color-white); }
.blog-sidebar-cta h3 { color: var(--color-white); font-size: 1.05rem; }
.blog-sidebar-cta p { color: rgba(255,255,255,0.7); font-size: 0.88rem; }

.post-detail { padding: calc(var(--header-height) + 40px) 0 var(--space-2xl); }
.breadcrumb { font-size: 0.85rem; color: var(--color-grey-400); margin-bottom: var(--space-sm); }
.breadcrumb a { color: var(--color-text-soft); }
.breadcrumb a:hover { color: var(--color-secondary); }
.post-header h1 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin: 10px 0 var(--space-sm); }
.post-meta { display: flex; gap: var(--space-md); color: var(--color-grey-400); font-size: 0.88rem; }
.post-meta span { display: inline-flex; align-items: center; gap: 6px; }
.post-cover { margin: var(--space-lg) auto; }
.post-cover img { border-radius: var(--radius-lg); width: 100%; aspect-ratio: 2/1; object-fit: cover; }
.post-body-wrap { display: grid; grid-template-columns: 1fr 300px; gap: var(--space-2xl); align-items: start; }
.post-body { font-size: 1.05rem; line-height: 1.85; }
.post-body p { color: var(--color-text); }
.post-body h2 { margin-top: var(--space-lg); font-size: 1.4rem; }
.post-sidebar { display: flex; flex-direction: column; gap: var(--space-lg); position: sticky; top: calc(var(--header-height) + 20px); }
.related-posts { border: 1px solid var(--color-grey-100); border-radius: var(--radius-md); padding: var(--space-md); }
.related-posts h3 { font-size: 1rem; }
.related-posts ul { display: flex; flex-direction: column; gap: 10px; }
.related-posts a { font-size: 0.9rem; color: var(--color-text-soft); }
.related-posts a:hover { color: var(--color-secondary); }

/* ---------------------------------------------------------------------
   18. İLETİŞİM
   --------------------------------------------------------------------- */
.contact { padding: var(--space-2xl) 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: var(--space-2xl); align-items: start; }
.contact-details { display: flex; flex-direction: column; gap: var(--space-md); margin: var(--space-lg) 0; }
.contact-details li { display: flex; gap: var(--space-sm); align-items: flex-start; }
.contact-details .icon { color: var(--color-secondary); flex-shrink: 0; }
.contact-details strong { display: block; font-family: var(--font-heading); font-size: 0.92rem; margin-bottom: 2px; }
.contact-details a, .contact-details span { font-size: 0.92rem; color: var(--color-text-soft); }
.contact-social { margin-bottom: var(--space-lg); }
.contact-map { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); }
.contact-map iframe { width: 100%; height: 300px; display: block; }

.contact-form-wrap { background: var(--color-off-white); border-radius: var(--radius-lg); padding: var(--space-lg); }
.contact-form { display: flex; flex-direction: column; gap: var(--space-md); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-family: var(--font-heading); font-weight: 600; font-size: 0.85rem; }
.form-group input, .form-group textarea {
    border: 1.5px solid var(--color-grey-200); border-radius: var(--radius-sm); padding: 0.85rem 1rem;
    font-family: var(--font-body); font-size: 0.95rem; background: var(--color-white); transition: border-color var(--transition-fast);
    resize: vertical;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--color-secondary); }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }
.form-status { min-height: 1.4em; font-size: 0.88rem; margin: 0; }
.form-status.is-success { color: var(--color-success); }
.form-status.is-error { color: var(--color-danger); }
.form-privacy { font-size: 0.78rem; color: var(--color-grey-400); margin: 0; }
.form-privacy a { text-decoration: underline; }

/* ---------------------------------------------------------------------
   19. BÜLTEN
   --------------------------------------------------------------------- */
.newsletter { background: var(--gradient-brand); padding: var(--space-lg) 0; }
.newsletter-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); flex-wrap: wrap; }
.newsletter-inner h2 { font-size: 1.4rem; color: var(--color-dark); margin-bottom: 4px; }
.newsletter-inner > div:first-child p { color: rgba(11,13,20,0.72); margin: 0; max-width: 460px; }
.newsletter-form { display: flex; gap: 10px; flex-wrap: wrap; }
.newsletter-form input[type="email"] {
    border: none; border-radius: var(--radius-full); padding: 0.9rem 1.4rem; min-width: 260px; font-size: 0.95rem;
}
.newsletter-form .btn-primary { background: var(--color-dark); color: var(--color-white); box-shadow: none; }
.newsletter-form .btn-primary:hover { background: #1a1e2b; }
.newsletter .form-status { flex-basis: 100%; color: var(--color-dark); }

/* ---------------------------------------------------------------------
   20. FOOTER
   --------------------------------------------------------------------- */
.site-footer { background: var(--color-dark); color: rgba(255,255,255,0.7); padding-top: var(--space-2xl); }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: var(--space-lg); padding-bottom: var(--space-xl); }
.footer-brand img { height: 34px; margin-bottom: var(--space-sm); }
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.55); max-width: 320px; }
.social-icons { display: flex; gap: 10px; margin-top: var(--space-sm); }
.social-icons a {
    width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.18);
    display: flex; align-items: center; justify-content: center; transition: all var(--transition-fast); color: rgba(255,255,255,0.75);
}
.social-icons a .icon { width: 17px; height: 17px; }
.social-icons a:hover { background: var(--gradient-brand); border-color: transparent; color: var(--color-dark); }
.footer-col h3 { color: var(--color-white); font-size: 1rem; margin-bottom: var(--space-sm); }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.9rem; color: rgba(255,255,255,0.6); }
.footer-col a:hover { color: var(--color-primary); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.88rem; }
.footer-contact .icon { flex-shrink: 0; width: 18px; height: 18px; margin-top: 2px; color: var(--color-primary); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1); padding: var(--space-md) 24px; display: flex; justify-content: space-between;
    align-items: center; flex-wrap: wrap; gap: var(--space-sm); font-size: 0.82rem; color: rgba(255,255,255,0.45);
}
.footer-legal { display: flex; gap: var(--space-md); }
.footer-legal a { color: rgba(255,255,255,0.5); }
.footer-legal a:hover { color: var(--color-primary); }

/* ---------------------------------------------------------------------
   21. MODAL (PORTFOLYO ÖN İZLEME)
   --------------------------------------------------------------------- */
.modal { position: fixed; inset: 0; z-index: 1200; display: flex; align-items: center; justify-content: center; padding: 24px; }
.modal[hidden] { display: none; }
.modal-overlay { position: absolute; inset: 0; background: rgba(11,13,20,0.7); backdrop-filter: blur(4px); }
.modal-panel {
    position: relative; background: var(--color-white); border-radius: var(--radius-lg); max-width: 640px; width: 100%;
    max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); animation: modalIn 0.3s ease;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(16px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
.modal-close {
    position: absolute; top: 16px; right: 16px; width: 40px; height: 40px; border-radius: 50%; background: var(--color-white);
    border: none; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-sm); z-index: 2;
}
.modal-panel img { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.modal-body { padding: var(--space-lg); }
.modal-cat { color: var(--color-secondary); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; }
.modal-client { color: var(--color-grey-400); font-size: 0.9rem; margin-top: -6px; }
.modal-results { background: var(--color-off-white); padding: 12px 16px; border-radius: var(--radius-sm); font-weight: 600; color: var(--color-secondary); font-size: 0.9rem; }

/* ---------------------------------------------------------------------
   22. ÇEREZ BİLDİRİMİ & YUKARI ÇIK
   --------------------------------------------------------------------- */
.cookie-banner {
    position: fixed; bottom: 20px; left: 20px; right: 20px; max-width: 620px; margin: 0 auto; z-index: 1100;
    background: var(--color-dark); color: rgba(255,255,255,0.85); border-radius: var(--radius-md); padding: var(--space-md);
    display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm); box-shadow: var(--shadow-lg);
}
.cookie-banner[hidden] { display: none; }
.cookie-banner p { margin: 0; font-size: 0.86rem; flex: 1 1 260px; }
.cookie-banner a { text-decoration: underline; color: var(--color-primary); }
.cookie-actions { display: flex; gap: 8px; }

.back-to-top {
    position: fixed; bottom: 24px; right: 24px; width: 46px; height: 46px; border-radius: 50%; background: var(--gradient-brand);
    color: var(--color-dark); border: none; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-brand);
    z-index: 800; transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.back-to-top[hidden] { display: none; }
.back-to-top:hover { transform: translateY(-3px); }

/* ---------------------------------------------------------------------
   23. YASAL SAYFALAR
   --------------------------------------------------------------------- */
.legal-page { padding: calc(var(--header-height) + 60px) 0 var(--space-2xl); }
.legal-content { max-width: 760px; }
.legal-content h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
.legal-content h2 { font-size: 1.2rem; margin-top: var(--space-lg); }
.legal-content p { font-size: 0.98rem; }
.legal-content a { color: var(--color-secondary); text-decoration: underline; }

/* ---------------------------------------------------------------------
   24. DUYARLI TASARIM (RESPONSIVE)
   --------------------------------------------------------------------- */

/* Laptop / küçük masaüstü */
@media (max-width: 1180px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .process-timeline { grid-template-columns: repeat(2, 1fr); }
}

/* Tablet */
@media (max-width: 992px) {
    :root { --header-height: 72px; }
    .main-nav {
        position: fixed; inset: 72px 0 0 0; background: rgba(11,13,20,0.98); backdrop-filter: blur(10px);
        transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity var(--transition-base), transform var(--transition-base);
        overflow-y: auto; padding: var(--space-xl) 0;
    }
    .main-nav.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
    .main-nav ul { flex-direction: column; align-items: center; gap: var(--space-lg); }
    .main-nav a { font-size: 1.2rem; }
    .nav-toggle { display: flex; align-items: center; justify-content: center; }
    .header-actions .btn-sm { display: none; }

    .about-grid { grid-template-columns: 1fr; }
    .about-media { max-width: 460px; margin: 0 auto var(--space-lg); }
    .comparison-table { min-width: 480px; }
    .faq-grid { grid-template-columns: 1fr; }
    .faq-intro { position: static; margin-bottom: var(--space-lg); }
    .contact-grid { grid-template-columns: 1fr; }
    .post-body-wrap { grid-template-columns: 1fr; }
    .post-sidebar { position: static; }
    .blog-listing-grid { grid-template-columns: 1fr; }
    .blog-sidebar { position: static; }
}

/* Mobil */
@media (max-width: 720px) {
    .container { padding: 0 18px; }
    .hero { min-height: auto; padding: calc(var(--header-height) + 24px) 0 var(--space-xl); }
    .hero-cta { flex-direction: column; align-items: stretch; }
    .hero-cta .btn { width: 100%; }
    .hero-stats { gap: var(--space-md) var(--space-lg); }
    .stat-value { font-size: 1.6rem; }

    .trust-inner { flex-direction: column; align-items: flex-start; }
    .trust-points { gap: var(--space-sm) var(--space-md); }

    .about-mv { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .why-choose { padding: var(--space-lg); }

    .services-grid { grid-template-columns: 1fr; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .process-timeline { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .blog-grid, .blog-listing .blog-grid { grid-template-columns: 1fr; }

    .form-row { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .newsletter-inner { flex-direction: column; align-items: flex-start; }
    .newsletter-form { width: 100%; }
    .newsletter-form input[type="email"] { flex: 1; min-width: 0; }

    .modal-panel { max-height: 85vh; }
    .cookie-banner { left: 12px; right: 12px; bottom: 12px; }
    .back-to-top { bottom: 92px; }
}

@media (max-width: 420px) {
    .section-title { font-size: 1.5rem; }
    .btn-lg { padding: 0.9rem 1.5rem; }
}