/* ============================================
   DSYN — Deca System Entegration
   Professional Design System
   ============================================ */

:root {
    /* Marka — logo ile uyumlu */
    --brand-navy: #001F54;
    --brand-slate: #708BB0;
    --logo-surface: #F4F7F9;
    --logo-surface-hover: #ECEFF3;
    --navy: #0A2463;
    --navy-dark: #061740;
    --navy-light: #0E2F7A;
    --accent: #1E88E5;
    --accent-light: #42A5F5;
    --accent-dark: #1565C0;
    --teal: #00BFA5;
    --teal-dark: #00897B;
    --gold: #F9A825;
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    --red: #EF4444;
    --green: #22C55E;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --shadow-sm: 0 1px 2px rgba(10,36,99,0.05);
    --shadow-md: 0 4px 16px rgba(10,36,99,0.08);
    --shadow-lg: 0 8px 32px rgba(10,36,99,0.12);
    --shadow-xl: 0 16px 48px rgba(10,36,99,0.16);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    /* Geniş yatay logo + alt satır için yeterli yükseklik */
    --header-height: 88px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

img { max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--navy);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p {
    color: var(--gray-600);
    font-size: 1.05rem;
    line-height: 1.8;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 2rem;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1.25rem;
    height: 2px;
    background: var(--accent);
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--gray-500);
    max-width: 640px;
    line-height: 1.7;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(30,136,229,0.35);
}

.btn-primary:hover {
    background: var(--accent-dark);
    box-shadow: 0 6px 20px rgba(30,136,229,0.45);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border: 1.5px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(4px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1.5px solid var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--white);
    color: var(--navy);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
}

/* ============================================
   HEADER
   ============================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    /* ::after şeridi için */
    position: fixed;
    height: var(--header-height);
    /* Logo dosyasındaki açık gri ile aynı aile — kutu hissi kalkar */
    background: var(--logo-surface);
    border-bottom: 1px solid rgba(0, 31, 84, 0.06);
    transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}

/* Logo çizgisindeki üç segment — ince marka şeridi */
.site-header::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        var(--brand-navy) 0%,
        var(--brand-navy) 40%,
        var(--brand-slate) 40%,
        var(--brand-slate) 60%,
        var(--brand-navy) 60%,
        var(--brand-navy) 100%
    );
    opacity: 0.85;
    pointer-events: none;
}

.site-header.scrolled {
    background: var(--logo-surface-hover);
    border-bottom-color: rgba(0, 31, 84, 0.08);
    box-shadow: 0 4px 24px rgba(10, 36, 99, 0.06);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 4vw, 2rem);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    line-height: 0;
    text-decoration: none;
    border: none;
    outline: none;
    background: transparent;
    -webkit-tap-highlight-color: transparent;
    padding: 0.25rem 0;
}

/* Yatay lockup: yükseklik sınırı + oran korunur; alt yazı okunaklı */
.logo-img {
    display: block;
    height: auto;
    width: auto;
    max-height: 52px;
    max-width: min(280px, 46vw);
    object-fit: contain;
    object-position: left center;
    transition: opacity var(--transition), transform var(--transition);
}

.logo:hover .logo-img {
    opacity: 0.92;
}

/* Footer: invert kaldırıldı — açık panelde orijinal logo */
.footer-logo-link {
    display: inline-flex;
    text-decoration: none;
    border: none;
    outline: none;
    -webkit-tap-highlight-color: transparent;
    margin-bottom: 0.25rem;
}

.footer-logo-panel {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.1rem;
    background: var(--logo-surface);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
    transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.footer-logo-link:hover .footer-logo-panel {
    background: var(--white);
    box-shadow: 0 6px 28px rgba(0, 0, 0, 0.22);
    transform: translateY(-1px);
}

.footer-logo-img {
    max-height: 48px;
    max-width: 220px;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: left center;
    filter: none;
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--navy);
    letter-spacing: 0.08em;
    line-height: 1;
}

.logo-sub {
    font-size: 0.55rem;
    font-weight: 600;
    color: var(--gray-400);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-top: 2px;
}

.main-nav {
    display: flex;
    gap: 0.25rem;
}

.nav-link {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-600);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--brand-navy);
    background: rgba(255, 255, 255, 0.78);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 22px;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-navy), var(--brand-slate));
    border-radius: 2px;
}

.header-cta {
    padding: 0.62rem 1.35rem;
    font-size: 0.84rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--white);
    background: var(--brand-navy);
    border-radius: var(--radius-md);
    transition: var(--transition);
    box-shadow: 0 2px 12px rgba(0, 31, 84, 0.22);
}

.header-cta:hover {
    background: var(--navy-light);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 31, 84, 0.28);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10,36,99,0.97);
    backdrop-filter: blur(20px);
    z-index: 999;
    align-items: center;
    justify-content: center;
}

.mobile-nav-overlay.active { display: flex; }

.mobile-nav-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem 1.5rem;
    max-height: 100vh;
    overflow-y: auto;
}

.mobile-nav-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1rem;
    margin-bottom: 0.25rem;
    background: var(--logo-surface);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.mobile-nav-logo-img {
    display: block;
    max-height: 46px;
    width: auto;
    max-width: min(240px, 70vw);
    object-fit: contain;
}

.mobile-nav-link {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    transition: var(--transition);
}

.mobile-nav-link:hover { color: var(--accent-light); }

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--navy);
    overflow: hidden;
    padding-top: var(--header-height);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 70% 50%, rgba(30,136,229,0.15) 0%, transparent 60%),
        radial-gradient(ellipse 50% 80% at 20% 80%, rgba(0,191,165,0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 70% at 65% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 65% 50%, black 20%, transparent 70%);
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 4rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 1.5rem;
    padding: 0.4rem 1rem;
    border: 1px solid rgba(0,191,165,0.3);
    border-radius: 100px;
    background: rgba(0,191,165,0.08);
}

.hero h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--accent-light), var(--teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text {
    color: var(--gray-300);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-graphic {
    width: 100%;
    max-width: 480px;
    aspect-ratio: 1;
    position: relative;
}

.hero-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(30,136,229,0.15);
    animation: pulse-ring 4s ease-in-out infinite;
}

.hero-circle:nth-child(1) {
    inset: 10%;
    border-color: rgba(30,136,229,0.2);
    animation-delay: 0s;
}

.hero-circle:nth-child(2) {
    inset: 20%;
    border-color: rgba(0,191,165,0.15);
    animation-delay: 1s;
}

.hero-circle:nth-child(3) {
    inset: 30%;
    border-color: rgba(30,136,229,0.1);
    animation-delay: 2s;
}

.hero-center-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent), var(--teal));
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 60px rgba(30,136,229,0.3);
}

.hero-center-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.hero-float-card {
    position: absolute;
    background: rgba(255,255,255,0.07);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 0.8rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.8rem;
    color: var(--white);
    animation: float 6s ease-in-out infinite;
}

.hero-float-card .card-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.hero-float-card:nth-child(5) {
    top: 15%;
    right: 5%;
    animation-delay: 0s;
}

.hero-float-card:nth-child(5) .card-icon {
    background: rgba(30,136,229,0.2);
    color: var(--accent-light);
}

.hero-float-card:nth-child(6) {
    bottom: 25%;
    left: 0;
    animation-delay: 2s;
}

.hero-float-card:nth-child(6) .card-icon {
    background: rgba(0,191,165,0.2);
    color: var(--teal);
}

.hero-float-card:nth-child(7) {
    top: 55%;
    right: 0;
    animation-delay: 4s;
}

.hero-float-card:nth-child(7) .card-icon {
    background: rgba(249,168,37,0.2);
    color: var(--gold);
}

@keyframes pulse-ring {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.03); opacity: 0.7; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* ============================================
   TRUST BAR
   ============================================ */

.trust-bar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    padding: 3rem 0;
    position: relative;
    z-index: 3;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.trust-item {
    text-align: center;
    padding: 1.5rem 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.trust-item:hover {
    background: var(--gray-50);
}

.trust-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, rgba(30,136,229,0.08), rgba(0,191,165,0.08));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent);
}

.trust-item h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.4rem;
}

.trust-item p {
    font-size: 0.82rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ============================================
   SERVICES SECTION (Home)
   ============================================ */

.services-section {
    padding: 6rem 0;
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--teal));
    opacity: 0;
    transition: var(--transition);
}

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

.service-card:hover::before { opacity: 1; }

.service-card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.service-card-icon.cyber { background: rgba(30,136,229,0.1); color: var(--accent); }
.service-card-icon.erp { background: rgba(0,191,165,0.1); color: var(--teal); }
.service-card-icon.dev { background: rgba(249,168,37,0.1); color: var(--gold); }
.service-card-icon.support { background: rgba(139,92,246,0.1); color: #8B5CF6; }

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.service-card p {
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.5rem;
}

.service-tag {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.25rem 0.65rem;
    background: var(--gray-50);
    color: var(--gray-600);
    border-radius: 100px;
    border: 1px solid var(--gray-200);
}

.service-card-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition);
}

.service-card-link:hover {
    gap: 0.7rem;
    color: var(--accent-dark);
}

/* ============================================
   WHY DSYN SECTION
   ============================================ */

.why-section {
    padding: 6rem 0;
    background: var(--white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.why-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    background: var(--white);
    transition: var(--transition);
}

.why-card:hover {
    border-color: rgba(30,136,229,0.2);
    box-shadow: var(--shadow-md);
}

.why-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, rgba(30,136,229,0.08), rgba(0,191,165,0.06));
    color: var(--accent);
}

.why-card h4 {
    font-size: 1.05rem;
    margin-bottom: 0.6rem;
    color: var(--navy);
}

.why-card p {
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ============================================
   SECTORS SECTION
   ============================================ */

.sectors-section {
    padding: 6rem 0;
    background: var(--gray-50);
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-top: 3rem;
}

.sector-card {
    padding: 2rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.sector-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.sector-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: linear-gradient(135deg, rgba(30,136,229,0.08), rgba(0,191,165,0.06));
    color: var(--accent);
}

.sector-card h4 {
    font-size: 1rem;
    margin-bottom: 0.4rem;
    color: var(--navy);
}

.sector-card p {
    font-size: 0.85rem;
    line-height: 1.6;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    padding: 6rem 0;
    background: var(--navy);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 80% at 80% 50%, rgba(30,136,229,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 50% 60% at 20% 80%, rgba(0,191,165,0.06) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 1.25rem;
}

.cta-section p {
    color: var(--gray-300);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   ABOUT PAGE
   ============================================ */

.page-hero {
    background: var(--navy);
    padding: 10rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 80% at 70% 40%, rgba(30,136,229,0.12), transparent 60%);
    pointer-events: none;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.page-hero h1 {
    color: var(--white);
    margin-bottom: 1rem;
}

.page-hero p {
    color: var(--gray-300);
    font-size: 1.15rem;
    line-height: 1.8;
}

.page-hero .section-label {
    color: var(--teal);
}

.page-hero .section-label::before {
    background: var(--teal);
}

.about-intro {
    padding: 5rem 0;
    background: var(--white);
}

.about-intro-content {
    max-width: 800px;
}

.about-intro-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.about-intro-content p:first-of-type {
    font-size: 1.2rem;
    color: var(--gray-700);
    font-weight: 500;
}

.mission-vision {
    padding: 5rem 0;
    background: var(--gray-50);
}

.mv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.mv-card {
    padding: 2.5rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}

.mv-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.mv-card.mission::before {
    background: linear-gradient(180deg, var(--accent), var(--teal));
}

.mv-card.vision::before {
    background: linear-gradient(180deg, var(--gold), var(--accent));
}

.mv-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mv-card h3 i {
    font-size: 1.1rem;
    color: var(--accent);
}

.mv-card p {
    font-size: 1rem;
    line-height: 1.8;
}

.values-section {
    padding: 5rem 0;
    background: var(--white);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.value-card {
    padding: 2rem;
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.value-card:hover {
    border-color: rgba(30,136,229,0.2);
    box-shadow: var(--shadow-md);
}

.value-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(30,136,229,0.08), rgba(0,191,165,0.06));
    color: var(--accent);
}

.value-card h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.value-card p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.differentiator-section {
    padding: 5rem 0;
    background: var(--gray-50);
}

.diff-content {
    max-width: 800px;
    margin-top: 2rem;
}

.diff-content > p {
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.diff-problems {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 2rem 0;
    border-left: 4px solid var(--red);
}

.diff-problems h4 {
    margin-bottom: 1rem;
    color: var(--gray-700);
}

.diff-problems ul {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.diff-problems li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.diff-problems li::before {
    content: '\f00d';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--red);
    margin-top: 3px;
    min-width: 16px;
}

.diff-solution {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 2rem 0;
    border-left: 4px solid var(--teal);
}

.diff-solution h4 {
    margin-bottom: 1rem;
    color: var(--navy);
}

.diff-solution p {
    font-size: 0.95rem;
}

.ecosystem-section {
    padding: 5rem 0;
    background: var(--white);
}

.eco-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.eco-feature {
    padding: 2rem;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
}

.eco-feature i {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
    display: block;
}

.eco-feature h4 {
    margin-bottom: 0.5rem;
}

.eco-feature p {
    font-size: 0.9rem;
}

/* ============================================
   SERVICES PAGE
   ============================================ */

.services-page-intro {
    padding: 4rem 0;
    background: var(--white);
}

.services-page-intro p {
    max-width: 800px;
    font-size: 1.1rem;
}

.service-detail {
    padding: 5rem 0;
    scroll-margin-top: calc(var(--header-height) + 2rem);
}

.service-detail:nth-child(odd) {
    background: var(--gray-50);
}

.service-detail:nth-child(even) {
    background: var(--white);
}

.service-detail-header {
    margin-bottom: 3rem;
}

.service-detail-header h2 {
    margin-bottom: 1rem;
}

.service-detail-header p {
    max-width: 700px;
    font-size: 1.05rem;
}

.service-items-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.service-item {
    padding: 2rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

.service-detail:nth-child(even) .service-item {
    background: var(--gray-50);
}

.service-item:hover {
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.service-item h4 {
    font-size: 1rem;
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-item h4 i {
    color: var(--accent);
    font-size: 0.9rem;
}

.service-item p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.service-extra {
    margin-top: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(30,136,229,0.04), rgba(0,191,165,0.04));
    border-radius: var(--radius-lg);
    border: 1px solid rgba(30,136,229,0.1);
}

.service-extra h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--navy);
}

.service-extra p {
    font-size: 0.9rem;
}

.service-platforms {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.platform-tag {
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.35rem 0.85rem;
    background: var(--white);
    color: var(--navy);
    border: 1px solid var(--gray-200);
    border-radius: 100px;
}

.service-diff {
    margin-top: 2.5rem;
    padding: 2rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    border-left: 4px solid var(--accent);
}

.service-detail:nth-child(even) .service-diff {
    background: var(--gray-50);
}

.service-diff h4 {
    margin-bottom: 1rem;
    color: var(--navy);
}

.service-diff ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.service-diff li {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.7;
    padding-left: 1.25rem;
    position: relative;
}

.service-diff li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--teal);
    font-size: 0.75rem;
    top: 4px;
}

.service-target {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--gray-500);
}

.service-target strong {
    color: var(--gray-700);
}

/* SLA Table */
.sla-table {
    width: 100%;
    margin-top: 1.5rem;
    border-collapse: collapse;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.sla-table th,
.sla-table td {
    padding: 0.85rem 1.25rem;
    text-align: left;
    font-size: 0.88rem;
}

.sla-table th {
    background: var(--navy);
    color: var(--white);
    font-weight: 600;
}

.sla-table td {
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-600);
}

.sla-table tr:hover td {
    background: var(--gray-50);
}

/* ============================================
   CONTACT PAGE
   ============================================ */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 4rem 0;
}

.contact-form-section {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow-md);
}

.contact-form-section h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.contact-form-section > p {
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.4rem;
}

.form-group label .required {
    color: var(--red);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--gray-800);
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(30,136,229,0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin: 1.5rem 0;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 3px;
    accent-color: var(--accent);
}

.checkbox-group label {
    font-size: 0.82rem;
    color: var(--gray-600);
    line-height: 1.5;
}

.multi-check-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.4rem;
}

.multi-check-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.82rem;
    color: var(--gray-700);
    padding: 0.4rem 0.75rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 100px;
    cursor: pointer;
    transition: var(--transition);
}

.multi-check-item:has(input:checked) {
    background: rgba(30,136,229,0.08);
    border-color: var(--accent);
    color: var(--accent-dark);
}

.multi-check-item input {
    display: none;
}

.contact-info-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info-card {
    padding: 2rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
}

.contact-info-card h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-info-card h4 i {
    color: var(--accent);
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    font-size: 0.9rem;
    color: var(--gray-600);
}

.contact-info-item i {
    width: 20px;
    text-align: center;
    color: var(--accent);
    font-size: 0.85rem;
}

.contact-info-item a {
    color: var(--gray-600);
    transition: var(--transition);
}

.contact-info-item a:hover {
    color: var(--accent);
}

.contact-hours {
    margin-top: 0.5rem;
}

.contact-hours .contact-info-item {
    font-size: 0.85rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */

.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }
.fade-up.delay-5 { transition-delay: 0.5s; }
.fade-up.delay-6 { transition-delay: 0.6s; }

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
    position: relative;
    background: linear-gradient(165deg, #0f172a 0%, #0a0f18 48%, #070b12 100%);
    color: var(--gray-300);
}

/* Logo cizgisindeki segmentlerle uyumlu ust cizgi */
.site-footer::before {
    content: '';
    display: block;
    height: 3px;
    background: linear-gradient(
        90deg,
        var(--brand-navy) 0%,
        var(--brand-navy) 38%,
        var(--brand-slate) 38%,
        var(--brand-slate) 62%,
        var(--brand-navy) 62%,
        var(--brand-navy) 100%
    );
    opacity: 0.95;
}

.footer-top {
    padding: 4.25rem 0 3.25rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(220px, 1.65fr) 1fr 1fr 1fr;
    gap: clamp(2rem, 5vw, 3.5rem);
    align-items: start;
}

.footer-brand {
    max-width: 22rem;
}

.footer-brand .logo-text { color: var(--white); }
.footer-brand .logo-sub { color: var(--gray-500); }

.footer-desc {
    margin-top: 1.5rem;
    font-size: 0.92rem;
    color: var(--gray-400);
    line-height: 1.75;
}

.footer-social {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
    color: var(--white);
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.25rem;
}

.footer-col a,
.footer-col span {
    display: block;
    font-size: 0.88rem;
    color: var(--gray-400);
    padding: 0.3rem 0;
    transition: var(--transition);
}

.footer-col a:hover { color: var(--white); }

.footer-col a i,
.footer-col span i {
    width: 16px;
    margin-right: 0.5rem;
    font-size: 0.8rem;
}

.footer-hours {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 1.5rem 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    font-size: 0.8rem;
    color: var(--gray-500);
    transition: var(--transition);
}

.footer-legal a:hover { color: var(--gray-300); }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-text { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-visual { display: none; }
    .services-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .sectors-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .mv-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: repeat(2, 1fr); }
    .eco-features { grid-template-columns: 1fr; }
    .service-items-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .main-nav, .header-cta { display: none; }
    .mobile-toggle { display: flex; }
    .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .why-grid { grid-template-columns: 1fr; }
    .sectors-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
    .footer-legal { justify-content: center; }
    .hero h1 { font-size: 2rem; }
    .hero-container { padding: 3rem 1.5rem; }
    .values-grid { grid-template-columns: 1fr; }

    .section-label { font-size: 0.7rem; }
}

@media (max-width: 480px) {
    :root { --header-height: 72px; }
    .logo-img {
        max-height: 44px;
        max-width: min(220px, 52vw);
    }
    .container { padding: 0 1.25rem; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .trust-grid { grid-template-columns: 1fr; }
    .cta-actions { flex-direction: column; }
    .cta-actions .btn { width: 100%; justify-content: center; }
}