/* =====================================================
   Sutesisatcisi.com V2 - Design System
   Modern Glassy + Cyan/Blue Palette
   ===================================================== */

:root {
    --c-50: #ecfeff;
    --c-100: #cffafe;
    --c-200: #a5f3fc;
    --c-300: #67e8f9;
    --c-400: #22d3ee;
    --c-500: #06b6d4;
    --c-600: #0891b2;
    --c-700: #0e7490;
    --c-800: #155e75;
    --c-900: #164e63;
    --a-500: #10b981;
    --a-600: #059669;
    --d-500: #ef4444;
    --d-600: #dc2626;
    --ink-900: #0f172a;
    --ink-800: #1e293b;
    --ink-700: #334155;
    --ink-500: #64748b;
    --ink-400: #94a3b8;
    --ink-200: #e2e8f0;
    --ink-100: #f1f5f9;
    --ink-50: #f8fafc;

    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-bg-strong: rgba(255, 255, 255, 0.82);
    --glass-border: rgba(255, 255, 255, 0.55);
    --glass-blur: 14px;
    --glass-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.15);

    --dark-glass-bg: rgba(15, 23, 42, 0.72);
    --dark-glass-border: rgba(148, 163, 184, 0.18);

    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

html { scroll-behavior: smooth; }

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(180deg, #f8fafc 0%, #ecfeff 35%, #f8fafc 100%);
}

h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.025em;
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
}

/* =====================================================
   GLASS UTILITIES
   ===================================================== */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.glass-strong {
    background: var(--glass-bg-strong);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 18px 40px -18px rgba(15, 23, 42, 0.22);
}

.glass-dark {
    background: var(--dark-glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--dark-glass-border);
    color: #fff;
}

.glass-card {
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(6, 182, 212, 0.12);
    border-radius: var(--radius-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 50px -20px rgba(6, 182, 212, 0.35);
    border-color: rgba(6, 182, 212, 0.35);
}

/* =====================================================
   GRADIENTS
   ===================================================== */
.gradient-hero {
    background:
        radial-gradient(circle at 15% 15%, rgba(6, 182, 212, 0.18), transparent 55%),
        radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.14), transparent 55%),
        radial-gradient(circle at 50% 95%, rgba(34, 211, 238, 0.12), transparent 60%),
        linear-gradient(180deg, #ffffff 0%, #ecfeff 100%);
}

.gradient-text {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 50%, #10b981 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-cyan-emerald {
    background: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn-primary {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    color: #fff;
    transition: all 0.3s ease;
    box-shadow: 0 8px 22px -8px rgba(6, 182, 212, 0.55);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px -10px rgba(6, 182, 212, 0.65);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: #fff;
    transition: all 0.3s ease;
    box-shadow: 0 8px 22px -8px rgba(34, 197, 94, 0.55);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.btn-whatsapp:hover {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px -10px rgba(34, 197, 94, 0.65);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(6, 182, 212, 0.25);
    color: #0e7490;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.btn-ghost:hover {
    background: rgba(207, 250, 254, 0.85);
    border-color: rgba(6, 182, 212, 0.55);
    color: #155e75;
    transform: translateY(-2px);
}

/* =====================================================
   CHIPS / BADGES
   ===================================================== */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    background: rgba(207, 250, 254, 0.7);
    border: 1px solid rgba(6, 182, 212, 0.25);
    color: #0e7490;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(8px);
}

.chip-dark {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.55);
    border: 1px solid rgba(148, 163, 184, 0.25);
    color: #cffafe;
    font-size: 0.78rem;
    font-weight: 600;
    backdrop-filter: blur(8px);
}

.chip-success {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    background: rgba(220, 252, 231, 0.7);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #047857;
    font-size: 0.78rem;
    font-weight: 600;
}

/* =====================================================
   SECTION TITLE
   ===================================================== */
.section-title {
    position: relative;
    display: inline-block;
    padding-bottom: 0.75rem;
    margin-bottom: 0.5rem;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    border-radius: 4px;
    background: linear-gradient(90deg, #06b6d4, #10b981);
}

.section-title.left::after {
    left: 0;
    transform: none;
}

/* =====================================================
   ONLINE DOT (PULSE)
   ===================================================== */
.online-dot {
    position: relative;
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    display: inline-block;
}

.online-dot::after {
    content: "";
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.55);
    animation: pulseDot 1.6s ease-out infinite;
}

@keyframes pulseDot {
    0% { transform: scale(0.6); opacity: 0.9; }
    100% { transform: scale(1.8); opacity: 0; }
}

/* =====================================================
   PHONE PULSE
   ===================================================== */
.phone-pulse {
    position: relative;
}

.phone-pulse::before,
.phone-pulse::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 2px solid rgba(6, 182, 212, 0.4);
    animation: phonePulse 2s ease-out infinite;
}

.phone-pulse::after { animation-delay: 1s; }

@keyframes phonePulse {
    0% { transform: scale(1); opacity: 0.7; }
    100% { transform: scale(1.5); opacity: 0; }
}

/* =====================================================
   REVEAL ANIMATION
   ===================================================== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* =====================================================
   MARQUEE
   ===================================================== */
.marquee {
    overflow: hidden;
    position: relative;
}

.marquee-track {
    display: flex;
    gap: 1.25rem;
    width: max-content;
    animation: marqueeScroll 28s linear infinite;
}

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

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

@keyframes scroll2 {
    0% { transform: translateX(100%); }
    100% { transform: translateX(0); }
}

.animate-scroll { animation: scroll 20s linear infinite; }
.animate-scroll2 { animation: scroll2 20s linear infinite; }

/* =====================================================
   FADE IN / BOUNCE
   ===================================================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fadeIn { animation: fadeIn 0.3s ease-out forwards; }

@keyframes bounce-slow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-bounce-slow { animation: bounce-slow 3s infinite ease-in-out; }

/* =====================================================
   FAQ ACCORDION
   ===================================================== */
.faq-item {
    border: 1px solid rgba(6, 182, 212, 0.18);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(10px);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item[open] {
    border-color: rgba(6, 182, 212, 0.45);
    box-shadow: 0 12px 30px -16px rgba(6, 182, 212, 0.45);
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 1.1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-weight: 700;
    color: #0f172a;
}

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

.faq-item summary i {
    color: #0891b2;
    transition: transform 0.3s ease;
}

.faq-item[open] summary i { transform: rotate(45deg); }

.faq-body {
    padding: 0 1.25rem 1.25rem;
    color: #475569;
    line-height: 1.7;
}

/* =====================================================
   TIMELINE
   ===================================================== */
.timeline-step {
    position: relative;
    padding-left: 2.75rem;
}

.timeline-step::before {
    content: counter(timeline);
    counter-increment: timeline;
    position: absolute;
    left: 0;
    top: 0;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    color: #fff;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 16px -8px rgba(6, 182, 212, 0.7);
}

.timeline-list { counter-reset: timeline; }

/* =====================================================
   BEFORE/AFTER SLIDER
   ===================================================== */
.compare-wrap {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    user-select: none;
}

.compare-wrap img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.compare-wrap picture {
    display: block;
    width: 100%;
    height: 100%;
}

.compare-after {
    position: absolute;
    inset: 0;
    width: 50%;
    overflow: hidden;
}

.compare-after img {
    width: 200%;
    max-width: none;
}

.compare-after picture {
    width: 200%;
    max-width: none;
    height: 100%;
}

.compare-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background: rgba(255, 255, 255, 0.95);
    transform: translateX(-50%);
    cursor: ew-resize;
}

.compare-handle::after {
    content: "\2194";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: 0 8px 18px -6px rgba(6, 182, 212, 0.6);
}

/* =====================================================
   CUSTOM SCROLLBAR
   ===================================================== */
.custom-scrollbar::-webkit-scrollbar { width: 6px; }
.custom-scrollbar::-webkit-scrollbar-track { background: #f1f5f9; }
.custom-scrollbar::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #06b6d4, #0891b2);
    border-radius: 10px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #0891b2, #0e7490);
}

/* =====================================================
   INPUTS / FOCUS
   ===================================================== */
input, textarea, select { outline: none !important; }

input:focus, textarea:focus {
    border-color: #06b6d4 !important;
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.18) !important;
}

/* =====================================================
   PROSE
   ===================================================== */
.prose h2 {
    color: #0e7490;
    font-size: 1.5rem;
    font-weight: 800;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.prose h3 {
    color: #155e75;
    font-size: 1.2rem;
    font-weight: 700;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.prose p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: #334155;
}

.prose ul, .prose ol {
    margin: 1rem 0;
    padding-left: 1.25rem;
}

.prose ul li, .prose ol li {
    margin-bottom: 0.45rem;
    color: #334155;
    line-height: 1.7;
}

.prose a {
    color: #0891b2;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px dashed rgba(6, 182, 212, 0.5);
}

.prose a:hover { color: #0e7490; border-bottom-style: solid; }

.prose strong { color: #0f172a; }

/* =====================================================
   MEGA MENU
   ===================================================== */
.has-mega { position: relative; }

.mega-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    width: 880px;
    max-width: 92vw;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    z-index: 50;
}

.has-mega:hover .mega-menu,
.has-mega:focus-within .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* =====================================================
   MOBILE MENU
   ===================================================== */
/* Çentikli telefonlar: üst bar güvenli alan */
.site-header {
    padding-top: env(safe-area-inset-top, 0px);
}

.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 60;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transform: translateY(-100%);
    transition: transform 0.4s cubic-bezier(0.65, 0, 0.35, 1);
    display: flex;
    flex-direction: column;
    padding: max(2rem, calc(env(safe-area-inset-top, 0px) + 1rem)) max(1.25rem, env(safe-area-inset-right, 0px)) max(2rem, env(safe-area-inset-bottom, 0px)) max(1.25rem, env(safe-area-inset-left, 0px));
    color: #fff;
    overflow-y: auto;
}

.mobile-menu.is-open { transform: translateY(0); }

/* =====================================================
   STICKY MOBILE CTA
   ===================================================== */
.mobile-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 35;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid rgba(6, 182, 212, 0.18);
    box-shadow: 0 -8px 30px -12px rgba(15, 23, 42, 0.2);
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

.mobile-cta a {
    padding: 0.85rem 0.5rem;
    text-align: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: #0f172a;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
}

.mobile-cta a i { font-size: 1.05rem; }
.mobile-cta a.tel { color: #0e7490; }
.mobile-cta a.wa { color: #15803d; }

@media (max-width: 1024px) {
    body {
        padding-bottom: calc(78px + env(safe-area-inset-bottom, 0px));
    }
}

@media (min-width: 1025px) {
    .mobile-cta { display: none; }
}

/* =====================================================
   SLIDER (TESTIMONIAL/HERO)
   ===================================================== */
.slider-container { position: relative; overflow: hidden; width: 100%; }
.slider-track { display: flex; transition: transform 0.8s cubic-bezier(0.65, 0, 0.35, 1); }
.slider-image { min-width: 100%; flex-shrink: 0; }
.testimonial-slider-track { display: flex; }
.testimonial-slide { flex-shrink: 0; }

/* =====================================================
   SVG SERVICE ICON RING
   ===================================================== */
.svc-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(16, 185, 129, 0.12));
    border: 1px solid rgba(6, 182, 212, 0.25);
    color: #0891b2;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.glass-card:hover .svc-icon {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    color: #fff;
    border-color: transparent;
    transform: rotate(-6deg);
}

/* =====================================================
   NOISE / DIVIDER
   ===================================================== */
.divider-soft {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(6, 182, 212, 0.35), transparent);
}

.text-shadow { text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); }

/* =====================================================
   STATS
   ===================================================== */
.stat-num {
    font-size: 2.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, #22d3ee 0%, #10b981 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* =====================================================
   SKIP LINK (A11Y)
   ===================================================== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #0e7490;
    color: #fff;
    padding: 0.5rem 1rem;
    z-index: 100;
    border-radius: 0 0 8px 0;
}

.skip-link:focus { top: 0; }