/* ============================================================
   AYCOMP Bilgi Teknolojileri — Ana Stil
   Tema: Turuncu (#E8560A) + Siyah (#111111)
   ============================================================ */

/* ---------- Değişkenler ---------- */
:root {
    --orange:      #E8560A;
    --orange-dark: #C4470A;
    --orange-glow: rgba(232,86,10,0.18);
    --black:       #111111;
    --dark:        #161616;
    --dark-2:      #1C1C1C;
    --surface:     #212121;
    --border:      rgba(255,255,255,0.08);
    --text:        #E8E8E8;
    --muted:       #888888;
    --white:       #FFFFFF;
    --nav-h:       72px;
    --radius:      10px;
    --radius-lg:   16px;
    --shadow:      0 8px 32px rgba(0,0,0,0.5);
    --tr:          0.28s ease;
}

/* ---------- Açık Tema ---------- */
[data-theme="light"] {
    --black:       #F5F5F5;
    --dark:        #FFFFFF;
    --dark-2:      #F9F9F9;
    --surface:     #FFFFFF;
    --border:      rgba(0,0,0,0.1);
    --text:        #1A1A1A;
    --muted:       #666666;
    --white:       #111111;
    --shadow:      0 8px 32px rgba(0,0,0,0.1);
    --orange-glow: rgba(232,86,10,0.08);
}

/* Navbar */
[data-theme="light"] .navbar.scrolled {
    background: rgba(255,255,255,0.97);
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
[data-theme="light"] .nav-link        { color: #444; }
[data-theme="light"] .nav-link:hover,
[data-theme="light"] .nav-link.active { color: var(--orange); background: var(--orange-glow); }

/* Mega menü */
[data-theme="light"] .mega-menu  { background: #fff; border-color: rgba(0,0,0,0.08); }
[data-theme="light"] .mega-cats  { background: #F7F7F7; border-color: rgba(0,0,0,0.07); }
[data-theme="light"] .mega-cat   { color: #555; }
[data-theme="light"] .mega-cat:hover { background: #EFEFEF; color: #111; }
[data-theme="light"] .mega-item  { color: #555; }
[data-theme="light"] .mega-item i { background: #F0F0F0; }
[data-theme="light"] .mega-item:hover { background: #F5F5F5; color: #111; }

/* Hero */
[data-theme="light"] .hero { background: #FFFFFF; }
[data-theme="light"] .hero-shapes .shape { opacity: 0.05; }
[data-theme="light"] .scroll-down { border-color: rgba(0,0,0,0.15); color: #888; }

/* Kartlar & yüzeyler */
[data-theme="light"] .stat-card,
[data-theme="light"] .service-sub-card,
[data-theme="light"] .solution-card,
[data-theme="light"] .about-stat-card,
[data-theme="light"] .about-badge,
[data-theme="light"] .contact-info-card,
[data-theme="light"] .testimonial-card,
[data-theme="light"] .portfolio-card,
[data-theme="light"] .tabs-wrap,
[data-theme="light"] .stacked-panel {
    background: #FFFFFF;
    border-color: rgba(0,0,0,0.1);
}
[data-theme="light"] .service-cards  { background: rgba(0,0,0,0.08); }
[data-theme="light"] .tab-heads      { border-color: rgba(0,0,0,0.08); }
[data-theme="light"] .tab-head       { color: #666; }
[data-theme="light"] .tab-head:hover { background: #F5F5F5; color: #111; }
[data-theme="light"] .tab-head.active { color: var(--orange); background: var(--orange-glow); }
[data-theme="light"] .tab-panel-head { border-color: rgba(0,0,0,0.08); }
[data-theme="light"] .service-sub-card:hover { background: #FFF5F0; }

/* Footer */
[data-theme="light"] .footer         { background: #1A1A1A; border-color: rgba(255,255,255,0.08); }
[data-theme="light"] .footer-bottom  { border-color: rgba(255,255,255,0.08); color: #888; }
[data-theme="light"] .footer-brand p { color: #999; }
[data-theme="light"] .footer-links h4,
[data-theme="light"] .footer-contact h4 { color: #fff; }
[data-theme="light"] .footer-links ul li a,
[data-theme="light"] .footer-contact ul li { color: #999; }
[data-theme="light"] .footer-social a { background: #2a2a2a; border-color: rgba(255,255,255,0.1); color: #999; }

/* Form */
[data-theme="light"] .form-group input,
[data-theme="light"] .form-group select,
[data-theme="light"] .form-group textarea {
    background: #fff;
    border-color: rgba(0,0,0,0.15);
    color: #1A1A1A;
}

/* Mobil menü */
[data-theme="light"] .hamburger span { background: #1A1A1A; }

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'Inter', sans-serif;
    background: var(--black);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}
a  { color: inherit; text-decoration: none; transition: var(--tr); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ---------- Yardımcılar ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.text-orange { color: var(--orange); }
.bg-dark-2   { background: var(--dark-2); }
.mt-2        { margin-top: 1.5rem; }

/* ---------- Butonlar ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--tr);
    white-space: nowrap;
}
.btn-primary {
    background: var(--orange);
    color: var(--white);
}
.btn-primary:hover {
    background: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232,86,10,0.4);
}
.btn-outline {
    background: transparent;
    border: 1.5px solid rgba(255,255,255,0.2);
    color: var(--text);
}
.btn-outline:hover {
    border-color: var(--orange);
    color: var(--orange);
}
.btn-lg  { padding: 0.9rem 1.8rem; font-size: 1rem; }
.btn-sm  { padding: 0.45rem 1rem; font-size: 0.85rem; }
.btn-full { width: 100%; justify-content: center; }

/* ---------- Ortak bölüm ---------- */
.section { padding: 5.5rem 0; }
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem;
}
.badge-label {
    display: inline-block;
    background: var(--orange-glow);
    border: 1px solid rgba(232,86,10,0.35);
    color: var(--orange);
    padding: 0.3rem 1rem;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 0.85rem;
}
.section-title {
    font-size: clamp(1.75rem, 3.5vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.25;
    margin-bottom: 1rem;
}
.section-desc { color: var(--muted); font-size: 1rem; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-h);
    z-index: 200;
    transition: background var(--tr), box-shadow var(--tr);
}
.navbar.scrolled {
    background: rgba(17,17,17,0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.6);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.nav-logo img {
    display: block;
    filter: invert(1) hue-rotate(180deg);
    transition: filter var(--tr);
}
[data-theme="light"] .navbar .nav-logo img { filter: none; }

/* Masaüstü menü */
.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.nav-item { position: relative; }
.nav-link {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.45rem 0.85rem;
    border-radius: 7px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--muted);
    transition: var(--tr);
}
.nav-link:hover,
.nav-link.active { color: var(--white); background: rgba(255,255,255,0.06); }
.nav-arrow {
    font-size: 0.65rem;
    transition: transform var(--tr);
}
.nav-item.has-dropdown:hover .nav-arrow { transform: rotate(180deg); }

/* Dropdown */
/* ── Mega Menü (kompakt, nav öğesi altında açılır) ── */
.has-mega { position: relative; }

.mega-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    display: flex;
    width: 560px;
    background: var(--dark-2);
    border: 1px solid var(--border);
    border-top: 2px solid var(--orange);
    border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg);
    box-shadow: 0 16px 40px rgba(0,0,0,0.55);
    opacity: 0;
    pointer-events: none;
    transform: translateY(6px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 300;
    overflow: hidden;
}
.has-mega.open .mega-menu {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

/* Sol: Kategori listesi */
.mega-cats {
    width: 210px;
    flex-shrink: 0;
    border-right: 1px solid var(--border);
    padding: 0.5rem;
    background: rgba(0,0,0,0.2);
}
.mega-cat {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.65rem 0.85rem;
    border-radius: 7px;
    background: none;
    border: none;
    border-left: 2px solid transparent;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    text-align: left;
    transition: var(--tr);
    gap: 0.4rem;
    line-height: 1.35;
}
.mega-cat > i { font-size: 0.6rem; flex-shrink: 0; color: transparent; transition: var(--tr); }
.mega-cat:hover { color: var(--text); background: var(--surface); }
.mega-cat.active {
    color: var(--orange);
    background: var(--orange-glow);
    border-left-color: var(--orange);
    font-weight: 600;
}
.mega-cat.active > i { color: var(--orange); }
.mega-cat-label { flex: 1; }

/* Sağ: Alt başlık panelleri */
.mega-panels { flex: 1; padding: 0.5rem; overflow: hidden; }
.mega-panel  { display: none; flex-direction: column; gap: 1px; }
.mega-panel.active { display: flex; }

.mega-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 0.75rem;
    border-radius: 7px;
    font-size: 0.82rem;
    color: var(--muted);
    transition: var(--tr);
    cursor: pointer;
    line-height: 1.35;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.mega-item i {
    width: 26px; height: 26px;
    background: var(--surface);
    border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    color: var(--orange);
    font-size: 0.72rem;
    flex-shrink: 0;
    transition: var(--tr);
}
.mega-item:hover { color: var(--white); background: var(--surface); }
.mega-item:hover i { background: var(--orange); color: #fff; }

/* Tema toggle butonu */
.theme-toggle {
    width: 40px; height: 40px;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    background: var(--surface);
    color: var(--muted);
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--tr);
    position: relative;
    flex-shrink: 0;
}
.theme-toggle:hover {
    border-color: var(--orange);
    color: var(--orange);
    transform: rotate(20deg);
}
/* Koyu temada güneş ikonu görünür, ay gizli */
.theme-toggle #iconLight { display: block; }
.theme-toggle #iconDark  { display: none; }
/* Açık temada güneş gizli, ay görünür */
[data-theme="light"] .theme-toggle #iconLight { display: none; }
[data-theme="light"] .theme-toggle #iconDark  { display: block; }

/* Bayrak ikonları */
.fi {
    display: inline-block;
    width: 1.33em;
    line-height: 1em;
    background-size: contain;
    background-position: 50%;
    background-repeat: no-repeat;
    vertical-align: middle;
}
.fi::before { content: '\00a0'; }
.fi-tr { background-image: url(/aycomp/assets/flags/tr.svg); }
.fi-gb { background-image: url(/aycomp/assets/flags/gb.svg); }

/* Dil geçiş toggle */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    border-radius: 999px;
    border: 1.5px solid var(--border);
    background: var(--surface);
    text-decoration: none;
    cursor: pointer;
    transition: var(--tr);
    flex-shrink: 0;
}
.lang-switch:hover { border-color: var(--orange); }
.lang-opt {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--muted);
    transition: var(--tr);
    white-space: nowrap;
}
.lang-opt-on {
    background: var(--orange);
    color: #fff;
}
.lang-switch:hover .lang-opt:not(.lang-opt-on) {
    color: var(--fg);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.hamburger span {
    display: block;
    width: 24px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--tr);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-h);
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

/* Dekoratif şekiller — logo tarzı geometrik bloklar */
.hero-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.shape {
    position: absolute;
    border-radius: 4px;
    opacity: 0.12;
}
.shape-1 {
    width: 220px; height: 220px;
    background: var(--orange);
    top: -60px; right: 10%;
    transform: rotate(20deg);
}
.shape-2 {
    width: 130px; height: 130px;
    background: var(--orange);
    top: 80px; right: 22%;
    transform: rotate(20deg);
    opacity: 0.07;
}
.shape-3 {
    width: 300px; height: 300px;
    background: var(--orange);
    bottom: -100px; right: 5%;
    transform: rotate(20deg);
    opacity: 0.05;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 1.5rem;
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--orange-glow);
    border: 1px solid rgba(232,86,10,0.35);
    color: var(--orange);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}
.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 900;
    line-height: 1.12;
    letter-spacing: -1.5px;
    margin-bottom: 1.25rem;
}
.hero-desc {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 500px;
    margin-bottom: 2rem;
    line-height: 1.8;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* İstatistik kartları */
.hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem;
    text-align: center;
    transition: var(--tr);
    position: relative;
    overflow: hidden;
}
.stat-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: var(--orange);
    transform: scaleX(0);
    transition: var(--tr);
}
.stat-card:hover { border-color: rgba(232,86,10,0.3); transform: translateY(-4px); }
.stat-card:hover::after { transform: scaleX(1); }
.stat-num {
    display: block;
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--orange);
    line-height: 1;
    margin-bottom: 0.4rem;
    letter-spacing: -1px;
}
.stat-num sup { font-size: 1.1rem; }
.stat-lbl { font-size: 0.82rem; color: var(--muted); font-weight: 500; }

/* Scroll oku */
.scroll-down {
    position: absolute;
    bottom: 2rem; left: 50%;
    transform: translateX(-50%);
    color: var(--muted);
    font-size: 1.1rem;
    animation: bounce 2s infinite;
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
}
.scroll-down:hover { color: var(--orange); border-color: var(--orange); }
@keyframes bounce {
    0%,100% { transform: translateX(-50%) translateY(0); }
    50%      { transform: translateX(-50%) translateY(7px); }
}

/* ============================================================
   HAKKIMIZDA
   ============================================================ */
.about-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}
.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 2x2 büyük istatistik kartları */
.about-stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    width: 100%;
}
.about-stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: 3px solid var(--orange);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: var(--tr);
}
.about-stat-card:hover { border-color: rgba(232,86,10,0.4); transform: translateY(-4px); box-shadow: var(--shadow); }
.about-stat-card i     { font-size: 1.8rem; color: var(--orange); }
.about-stat-card span  { font-size: 2rem; font-weight: 900; letter-spacing: -1px; line-height: 1; }
.about-stat-card sup   { font-size: 1rem; }
.about-stat-card small { font-size: 0.8rem; color: var(--muted); line-height: 1.4; }

.check-list { margin: 1.5rem 0; display: flex; flex-direction: column; gap: 0; }
.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}
.check-list li:last-child { border: none; }
.check-list li > i {
    width: 22px; height: 22px;
    background: var(--orange-glow);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--orange);
    font-size: 0.65rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}
.check-list li div { display: flex; flex-direction: column; gap: 0.15rem; }
.check-list li strong { font-size: 0.9rem; font-weight: 700; color: var(--text); }
.check-list li span   { font-size: 0.82rem; color: var(--muted); line-height: 1.5; }

/* Hakkımızda sol alan badge grid */
.about-badges-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
    width: 100%;
}
.about-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--tr);
}
.about-badge:hover { border-color: rgba(232,86,10,0.35); }
.about-badge > i {
    width: 36px; height: 36px;
    background: var(--orange-glow);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: var(--orange);
    font-size: 0.95rem;
    flex-shrink: 0;
}
.about-badge div { display: flex; flex-direction: column; gap: 0.05rem; }
.about-badge strong { font-size: 0.875rem; font-weight: 700; color: var(--text); line-height: 1.2; }
.about-badge span   { font-size: 0.75rem; color: var(--muted); }

/* ============================================================
   HİZMETLER — Tab sistemi
   ============================================================ */
.tabs-wrap {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.tab-heads {
    display: flex;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    scrollbar-width: none;
}
.tab-heads::-webkit-scrollbar { display: none; }
.tab-head {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 1rem;
    background: none;
    border: none;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--tr);
    border-bottom: 3px solid transparent;
    min-width: 160px;
    text-align: center;
    line-height: 1.4;
}
.tab-head i { font-size: 1.4rem; }
.tab-head:hover { color: var(--text); background: rgba(255,255,255,0.03); }
.tab-head.active {
    color: var(--orange);
    border-bottom-color: var(--orange);
    background: rgba(232,86,10,0.05);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: tabFadeIn 0.35s ease; }
@keyframes tabFadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.tab-panel-inner {
    display: flex;
    gap: 2.5rem;
    padding: 2.5rem;
    align-items: flex-start;
}
.tab-icon-big {
    width: 72px; height: 72px;
    background: var(--orange-glow);
    border: 1px solid rgba(232,86,10,0.3);
    border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem;
    color: var(--orange);
    flex-shrink: 0;
}
.tab-panel-inner h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}
/* ── Dikey yığılmış paneller (hizmetler & çözümler) ── */
.stacked-panels { display: flex; flex-direction: column; gap: 1.5rem; }

.stacked-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.stacked-panel-head {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem 2rem 1.5rem;
    border-bottom: 1px solid var(--border);
}
.stacked-panel-head h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}
.stacked-panel-footer {
    padding: 1.25rem 2rem 1.5rem;
}

/* Tab panel üst başlık satırı */
.tab-panel-head {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem 2rem 1.5rem;
    border-bottom: 1px solid var(--border);
}
.tab-panel-head h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}
.tab-cat-desc {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 680px;
}

/* Alt hizmet kartları — flexbox, son satır ortalı */
.service-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1px;
    background: var(--border);
    margin: 0;
}
.service-sub-card {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1.4rem 1.75rem;
    background: var(--surface);
    transition: var(--tr);
    /* Her kart eşit genişlik, minimum 260px, max 4 sütun */
    flex: 1 1 260px;
    max-width: calc(25% - 1px);
}
.service-sub-card:hover { background: color-mix(in srgb, var(--surface) 85%, var(--orange) 15%); }
.service-sub-card > i {
    color: var(--orange);
    font-size: 1rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}
.service-sub-card strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    color: var(--text);
}
.service-sub-card p {
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.6;
    margin: 0;
}

/* Eski yapı uyumu (düz liste) */
.service-item-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 0.6rem;
}
.service-item-list li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--muted);
    padding: 0.4rem 0;
}
.service-item-list li i { color: var(--orange); font-size: 0.85rem; flex-shrink: 0; }

/* ============================================================
   ÇÖZÜMLER
   ============================================================ */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}
.solution-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--tr);
    display: flex;
    flex-direction: column;
}
.solution-card:hover {
    border-color: rgba(232,86,10,0.35);
    transform: translateY(-5px);
    box-shadow: 0 12px 36px rgba(232,86,10,0.12);
}
.solution-icon {
    width: 52px; height: 52px;
    background: var(--orange-glow);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    color: var(--orange);
    margin-bottom: 1.1rem;
}
.solution-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.4;
}
.solution-list { flex: 1; margin-bottom: 1.5rem; display: flex; flex-direction: column; gap: 0.1rem; }
.solution-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
    line-height: 1.4;
}
.solution-list li:last-child { border-bottom: none; }
.solution-list li i {
    color: var(--orange);
    font-size: 0.9rem;
    margin-top: 0.15rem;
    flex-shrink: 0;
    width: 16px;
    text-align: center;
}
.solution-list li strong {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.2rem;
}
.solution-list li p {
    font-size: 0.78rem;
    color: var(--muted);
    margin: 0;
    line-height: 1.5;
}
.solution-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--orange);
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: auto;
}
.solution-cta:hover { gap: 0.7rem; }

/* ============================================================
   İLETİŞİM
   ============================================================ */
.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-info-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.85rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--tr);
}
.contact-info-card:hover { border-color: rgba(232,86,10,0.3); }
.ci-icon {
    width: 34px; height: 34px;
    background: var(--orange-glow);
    border-radius: 7px;
    display: flex; align-items: center; justify-content: center;
    color: var(--orange);
    font-size: 0.85rem;
    flex-shrink: 0;
}
.ci-icon.whatsapp { background: rgba(37,211,102,0.12); color: #25D366; }
.contact-info-card strong { display: block; font-size: 0.75rem; color: var(--muted); margin-bottom: 0.1rem; }
.contact-info-card a, .contact-info-card span { font-size: 0.85rem; }
.contact-info-card a:hover { color: var(--orange); }

.hours-box {
    background: var(--orange-glow);
    border: 1px solid rgba(232,86,10,0.25);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.hours-box h4 { font-size: 0.9rem; margin-bottom: 0.6rem; display: flex; align-items: center; gap: 0.5rem; }
.hours-box h4 i { color: var(--orange); }
.hours-box p { font-size: 0.875rem; color: var(--muted); }

.contact-map {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
}
.contact-map iframe { display: block; }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row     { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group   { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--muted); }
.form-group input,
.form-group select,
.form-group textarea {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--tr);
    outline: none;
    width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--orange);
    box-shadow: 0 0 0 3px rgba(232,86,10,0.15);
}
.form-group select option { background: var(--surface); }
.form-group textarea { resize: vertical; min-height: 130px; }
.email-hint {
    font-size: 0.78rem;
    color: var(--muted);
    display: none;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.35rem;
}
.email-hint.visible { display: flex; }
.email-hint i { font-size: 0.75rem; flex-shrink: 0; }
.email-hint.error { color: #ef4444; }

.form-alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    display: none;
}
.form-alert.success { background: rgba(16,185,129,0.1); border:1px solid rgba(16,185,129,0.3); color: #10b981; display: block; }
.form-alert.error   { background: rgba(239,68,68,0.1);  border:1px solid rgba(239,68,68,0.3);  color: #ef4444; display: block; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--dark-2);
    border-top: 1px solid var(--border);
    padding-top: 3.5rem;
}
.footer-inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: clamp(2rem, 5vw, 5rem);
    padding-bottom: 2.5rem;
}
.footer-brand p {
    color: var(--muted);
    font-size: 0.875rem;
    margin-top: 1rem;
    max-width: 240px;
    line-height: 1.8;
}
.footer-social {
    display: flex;
    gap: 0.65rem;
    margin-top: 1.25rem;
}
.footer-social a {
    width: 38px; height: 38px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--muted);
    font-size: 0.85rem;
}
.footer-social a:hover { color: var(--orange); border-color: var(--orange); }

.footer-links h4,
.footer-contact h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.footer-links ul li { margin-bottom: 0.6rem; }
.footer-links ul li a { color: var(--muted); font-size: 0.875rem; }
.footer-links ul li a:hover { color: var(--orange); }

.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.8rem;
    color: var(--muted);
    font-size: 0.875rem;
    line-height: 1.5;
}
.footer-contact ul li i { color: var(--orange); margin-top: 0.2rem; flex-shrink: 0; width: 14px; }
.footer-contact ul li a:hover { color: var(--orange); }

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
    text-align: center;
    color: var(--muted);
    font-size: 0.8rem;
}

/* ============================================================
   ANİMASYONLAR
   ============================================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}
[data-animate="fade-left"]  { transform: translateX(28px); }
[data-animate="fade-right"] { transform: translateX(-28px); }
[data-animate].visible      { opacity: 1; transform: none; }

/* ============================================================
   REFERANSLAR
   ============================================================ */
.referanslar-section { background: var(--dark); }

.ref-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
    margin-top: 2.5rem;
}

.ref-logo {
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    height: 110px;
    overflow: hidden;
    transition: border-color var(--tr), box-shadow var(--tr), transform var(--tr);
}
.ref-logo img {
    max-width: 100%;
    max-height: 72px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(1);
    opacity: 0.6;
    transition: filter var(--tr), opacity var(--tr);
}
.ref-logo:hover {
    border-color: var(--orange);
    box-shadow: 0 0 16px var(--orange-glow);
    transform: translateY(-2px);
}
.ref-logo:hover img {
    filter: grayscale(0);
    opacity: 1;
}
.ref-img-zoom {
    transform: scale(1.5);
}
.ref-logo:hover .ref-img-zoom {
    transform: scale(1.55);
}
.ref-img-zoom2 {
    transform: scale(1.9);
}
.ref-logo:hover .ref-img-zoom2 {
    transform: scale(1.95);
}
.ref-img-zoom3 {
    transform: scale(2.4);
}
.ref-logo:hover .ref-img-zoom3 {
    transform: scale(2.45);
}
.ref-logo .ref-img-flip {
    filter: grayscale(1) invert(1) hue-rotate(180deg);
    opacity: 0.6;
}
.ref-logo:hover .ref-img-flip {
    filter: invert(1) hue-rotate(180deg) brightness(0.75) saturate(2);
    opacity: 1;
}

.ref-img-shrink {
    transform: scale(0.8);
}
.ref-logo:hover .ref-img-shrink {
    transform: scale(0.82);
}

.ref-logo .ref-img-invert {
    filter: grayscale(1) invert(1);
    opacity: 0.6;
}
.ref-logo:hover .ref-img-invert {
    filter: invert(1);
    opacity: 1;
}

/* Light tema */
[data-theme="light"] .ref-logo {
    border-color: rgba(0,0,0,0.08);
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
[data-theme="light"] .ref-logo:hover {
    border-color: var(--orange);
    box-shadow: 0 4px 16px var(--orange-glow);
}

/* ============================================================
   İŞ ORTAKLARI
   ============================================================ */
.partners-section { padding: 5.5rem 0 4rem; overflow: hidden; }

.partners-track-wrap {
    margin-top: 3rem;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
}

.partners-track {
    display: flex;
    gap: 1.25rem;
    width: max-content;
    animation: partnersScroll 38s linear infinite;
}
.partners-track:hover { animation-play-state: paused; }

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

.partner-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    height: 90px;
    min-width: 160px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: default;
    user-select: none;
    overflow: hidden;
    transition: border-color var(--tr), box-shadow var(--tr), transform var(--tr);
}
.partner-logo:hover {
    border-color: var(--orange);
    box-shadow: 0 0 20px var(--orange-glow);
    transform: translateY(-2px);
}
.partner-logo img {
    height: 42px;
    width: auto;
    max-width: 130px;
    filter: brightness(0) invert(1);
    opacity: 0.75;
    transition: opacity var(--tr);
    -webkit-user-drag: none;
    user-select: none;
}
.partner-logo:hover img {
    opacity: 1;
}
.partner-img-big {
    height: 42px;
    max-width: 160px;
    transform: scale(2.0);
}
.partner-img-xl {
    transform: scale(2.4);
}
.partner-img-nofilter {
    filter: none !important;
    opacity: 0.9;
}
.partner-logo-light {
    background: #FFFFFF !important;
    border-color: rgba(255,255,255,0.15) !important;
}

/* Light tema — orijinal renkler */
[data-theme="light"] .partner-logo {
    background: #FFFFFF;
    border-color: rgba(0,0,0,0.1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
[data-theme="light"] .partner-logo:hover {
    border-color: var(--orange);
    box-shadow: 0 4px 20px var(--orange-glow);
}
[data-theme="light"] .partner-logo img {
    filter: none;
    opacity: 0.8;
}
[data-theme="light"] .partner-logo:hover img {
    opacity: 1;
}

/* ============================================================
   MOBİL RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
    .hero-inner   { grid-template-columns: 1fr; text-align: center; padding: 3rem 1.5rem; }
    .hero-desc    { margin: 0 auto 2rem; }
    .hero-actions { justify-content: center; }
    .about-wrap   { grid-template-columns: 1fr; gap: 3rem; }
    .contact-wrap { grid-template-columns: 1fr; gap: 2.5rem; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .ref-grid     { grid-template-columns: repeat(4, 1fr); }

    /* Tab başlıkları tablet */
    .tab-heads  { gap: 0; }
    .tab-head   { min-width: 140px; font-size: 0.78rem; padding: 1rem 0.75rem; }
    .tab-head i { font-size: 1.2rem; }

    /* Tab panel baş kısmı */
    .tab-panel-head { flex-direction: column; gap: 1rem; padding: 1.5rem; }

    /* Hizmet kartları tablet: 2 sütun */
    .service-sub-card { flex: 1 1 260px; max-width: calc(50% - 1px); }
}

@media (max-width: 640px) {
    /* ── Mobil ana menü ── */
    .nav-links {
        display: none;
        position: fixed;
        top: var(--nav-h);
        left: 0; right: 0;
        background: var(--dark-2);
        box-shadow: 0 8px 24px rgba(0,0,0,0.15);
        flex-direction: column;
        align-items: stretch;
        padding: 0.75rem;
        gap: 0.15rem;
        border-top: 1px solid var(--border);
        max-height: calc(100vh - var(--nav-h));
        overflow-y: auto;
        z-index: 200;
    }
    .nav-links.open { display: flex; }
    .hamburger      { display: flex; }

    /* ── Mobil mega menü: iki sütun kaldırılır, düz liste ── */
    .has-mega { position: static; }
    .mega-menu {
        position: static;
        opacity: 1;
        pointer-events: all;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        border-left: 2px solid var(--orange);
        background: rgba(255,255,255,0.03);
        flex-direction: column;
        display: none;
        margin: 0.25rem 0 0.25rem 0.75rem;
        overflow: visible;
    }
    .has-mega.mob-open .mega-menu { display: flex; }
    .mega-cats {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        background: none;
        padding: 0.25rem 0;
    }
    .mega-cat {
        font-size: 0.85rem;
        padding: 0.6rem 0.75rem;
        border-left: none;
    }
    .mega-panels { padding: 0.5rem 0; }
    .mega-panel.active {
        display: flex;
        flex-direction: column;
        gap: 0;
    }
    .mega-item {
        font-size: 0.8rem;
        padding: 0.5rem 0.75rem;
        white-space: normal;
    }
    .mega-item i { display: none; }

    /* Hero */
    /* Section padding küçült */
    .section { padding: 3rem 0; }
    .section-header { margin-bottom: 2rem; }

    /* Hero */
    .hero-stats { grid-template-columns: 1fr 1fr; }

    /* Hakkımızda */
    .about-stat-grid { grid-template-columns: 1fr 1fr; }

    /* Tab başlıkları mobil: yatay kaydırılabilir */
    .tab-heads {
        overflow-x: auto;
        scrollbar-width: none;
        flex-wrap: nowrap;
    }
    .tab-heads::-webkit-scrollbar { display: none; }
    .tab-head {
        min-width: 130px;
        font-size: 0.75rem;
        padding: 0.85rem 0.6rem;
        flex-shrink: 0;
    }
    .tab-head i { font-size: 1.1rem; }
    .tab-head span { white-space: normal; line-height: 1.3; }

    /* Tab panel içi */
    .tab-panel-head { flex-direction: column; gap: 0.75rem; padding: 1.25rem; }
    .tab-cat-desc   { font-size: 0.85rem; }

    /* Hizmet/Çözüm kartları mobil: tek sütun */
    .service-sub-card { flex: 1 1 100%; max-width: 100%; }
    .service-cards    { flex-direction: column; }

    /* Form */
    .form-row { grid-template-columns: 1fr; }

    /* Footer */
    .footer-inner { grid-template-columns: 1fr; gap: 2rem; }

    /* Çözümler grid */
    .solutions-grid { grid-template-columns: 1fr; }

    /* Mobilde dropdown açılır/kapanır */
    .has-dropdown .dropdown {
        position: static;
        opacity: 1;
        pointer-events: all;
        transform: none;
        box-shadow: none;
        border: none;
        background: rgba(255,255,255,0.03);
        border-radius: var(--radius);
        display: none;
        padding: 0.25rem 0;
        margin: 0.25rem 0 0.25rem 1rem;
    }
    .has-dropdown.mob-open .dropdown { display: block; }
    .dropdown-toggle { justify-content: space-between; }

    /* Partners */
    .partners-section { padding: 4rem 0 3rem; }
    .partners-track-wrap { margin-top: 2rem; }

    /* Referanslar */
    .ref-grid { grid-template-columns: repeat(3, 1fr); }
}