/* ================================================
   TMAS.az — TM Analytics & Strategy
   Bridge84-inspired Design
   Colors: Primary #333F48 | Accent #00BFA5 | White
   ================================================ */

:root {
    --primary: #333F48;
    --primary-light: #4A5568;
    --primary-dark: #1A2332;
    --accent: #00BFA5;
    --accent-light: #26D9BF;
    --accent-dark: #009982;
    --white: #FFFFFF;
    --gray-50: #F7F8FA;
    --gray-100: #F0F1F3;
    --gray-200: #E1E3E8;
    --gray-300: #C4C8D0;
    --gray-600: #6B7280;
    --gray-800: #1A1A1A;
    --font-sans: 'Inter', -apple-system, sans-serif;
    --font-heading: 'Manrope', 'Inter', sans-serif;
    --max-width: 1200px;
    --top-bar-height: 40px;
    --header-height: 80px;
    --transition: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    color: var(--gray-800);
    line-height: 1.6;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   TOP BAR
   ============================================ */
.top-bar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1001;
    height: var(--top-bar-height);
    background: var(--primary-dark);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transition: transform var(--transition), opacity var(--transition);
}
.top-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.top-bar-left {
    display: flex;
    align-items: center;
    gap: 20px;
}
.top-bar-left a,
.top-bar-left span {
    color: var(--gray-300);
    font-size: 0.78rem;
    transition: color var(--transition);
}
.top-bar-left a:hover { color: var(--accent); }
.top-bar-left i {
    color: var(--accent);
    font-size: 0.7rem;
    margin-right: 6px;
}
.top-bar-divider {
    width: 1px;
    height: 14px;
    background: rgba(255,255,255,0.15);
}
.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}
.top-bar-social {
    display: flex;
    gap: 4px;
}
.top-bar-social a {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-300);
    font-size: 0.75rem;
    border-radius: 50%;
    transition: all var(--transition);
}
.top-bar-social a:hover {
    color: var(--accent);
    background: rgba(255,255,255,0.08);
}

/* Language Switcher */
.lang-switcher { display: flex; gap: 2px; }
.lang-switcher a {
    color: var(--gray-300);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 3px;
    transition: all var(--transition);
    letter-spacing: 0.5px;
}
.lang-switcher a.active,
.lang-switcher a:hover {
    color: var(--accent);
    background: rgba(255,255,255,0.08);
}

/* Top bar hidden on scroll */
.top-bar.hidden {
    transform: translateY(-100%);
    opacity: 0;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: fixed;
    top: var(--top-bar-height);
    left: 0; right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: transparent;
    transition: all var(--transition);
}
.site-header::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: rgba(255,255,255,0.1);
    transition: opacity var(--transition);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Header scrolled state */
.site-header.scrolled {
    top: 0;
    background: var(--primary);
    box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}
.site-header.scrolled::after { opacity: 0; }

/* Logo */
.logo { display: flex; flex-direction: column; position: relative; z-index: 10; }
.logo-text {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 3px;
    line-height: 1.1;
}
.logo-sub {
    font-size: 0.6rem;
    color: rgba(255,255,255,0.6);
    letter-spacing: 1.5px;
    text-transform: capitalize;
}

/* Navigation */
.main-nav ul { display: flex; gap: 36px; }
.main-nav a {
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    transition: color var(--transition);
    letter-spacing: 0.5px;
    text-transform: capitalize;
}
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    width: 0; height: 2px;
    background: var(--accent);
    transition: all var(--transition);
    transform: translateX(-50%);
}
.main-nav a:hover::after,
.main-nav a.active::after { width: 100%; }
.main-nav a:hover,
.main-nav a.active { color: var(--accent); }

/* Header Right */
.header-right { display: flex; align-items: center; gap: 20px; }
.header-cta-btn {
    display: inline-block;
    padding: 10px 24px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: 1px;
    color: var(--white);
    background: var(--accent);
    border-radius: 2px;
    transition: all var(--transition);
}
.header-cta-btn:hover {
    background: var(--accent-light);
    transform: translateY(-1px);
}

/* Burger */
.burger { display: none; background: none; border: none; cursor: pointer; padding: 8px; z-index: 10; }
.burger span {
    display: block; width: 26px; height: 2px;
    background: var(--white); margin: 6px 0;
    transition: var(--transition);
    transform-origin: center;
}
.burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* ============================================
   HERO SLIDER
   ============================================ */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.hero-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
    display: flex;
    align-items: center;
}
.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

/* Slide Background */
.slide-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    background-size: cover;
    background-position: center;
    transform: scale(1);
    transition: transform 8s ease;
}
.hero-slide.active .slide-bg {
    transform: scale(1.05);
}

/* Each slide has a unique gradient/pattern */
.slide-bg-2 {
    background: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 60%, #111B22 100%);
}
.slide-bg-3 {
    background: linear-gradient(200deg, #111B22 0%, var(--primary) 40%, var(--primary-light) 100%);
}

/* Overlay with geometric pattern */
.slide-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0,191,165,0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.03) 0%, transparent 40%),
        linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.3) 100%);
}

/* Decorative lines */
.hero-slide::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 8%;
    width: 300px;
    height: 300px;
    border: 1px solid rgba(0,191,165,0.12);
    transform: translateY(-50%) rotate(45deg);
    z-index: 1;
    pointer-events: none;
}
.hero-slide::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 12%;
    width: 200px;
    height: 200px;
    border: 1px solid rgba(0,191,165,0.08);
    transform: translateY(-40%) rotate(45deg);
    z-index: 1;
    pointer-events: none;
}

/* Slide Content */
.slide-content {
    position: relative;
    z-index: 5;
    max-width: 680px;
    padding-top: 40px;
}

.slide-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 20px;
    padding-left: 60px;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease 0.3s;
}
.slide-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 45px;
    height: 1px;
    background: var(--accent);
}
.hero-slide.active .slide-label {
    opacity: 1;
    transform: translateY(0);
}

.slide-title {
    font-family: var(--font-heading);
    font-size: 3.8rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease 0.5s;
}
.hero-slide.active .slide-title {
    opacity: 1;
    transform: translateY(0);
}

.slide-text {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 520px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease 0.7s;
}
.hero-slide.active .slide-text {
    opacity: 1;
    transform: translateY(0);
}

.slide-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease 0.9s;
}
.hero-slide.active .slide-actions {
    opacity: 1;
    transform: translateY(0);
}

/* Slider Controls */
.slider-controls {
    position: absolute;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.slider-arrow {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.25);
    color: var(--white);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition);
}
.slider-arrow:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--primary-dark);
}

/* Slider Pagination */
.slider-pagination {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 0;
}
.slider-dot {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 12px;
    transition: all var(--transition);
}
.slider-dot span {
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255,255,255,0.4);
    transition: color var(--transition);
    letter-spacing: 1px;
}
.slider-dot.active span,
.slider-dot:hover span {
    color: var(--accent);
}
.slider-progress {
    width: 60px;
    height: 1px;
    background: rgba(255,255,255,0.15);
    position: relative;
    overflow: hidden;
}
.slider-progress-bar {
    position: absolute;
    top: 0; left: 0;
    height: 100%;
    width: 0%;
    background: var(--accent);
    transition: width 0.3s ease;
}
.slider-dot.active ~ .slider-progress .slider-progress-bar,
.slider-pagination .slider-progress:first-of-type .slider-progress-bar {
    /* controlled by JS */
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    right: 40px;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.scroll-indicator span {
    font-size: 0.7rem;
    font-weight: 500;
    color: rgba(255,255,255,0.5);
    text-transform: capitalize;
    letter-spacing: 2px;
    writing-mode: vertical-lr;
}
.scroll-line {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.2);
    position: relative;
    overflow: hidden;
}
.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent);
    animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
    0% { top: -100%; }
    50% { top: 100%; }
    100% { top: 100%; }
}

/* ============================================
   SERVICE TABS
   ============================================ */
.service-tabs-section {
    padding: 100px 0;
    padding-top: 80px;
    background: var(--gray-50);
    position: relative;
    overflow: hidden;
}
.service-tabs-section::before {
    content: '';
    position: absolute;
    top: -100px;
    left: -100px;
    width: 350px;
    height: 350px;
    border: 1px solid rgba(51,63,72,0.04);
    transform: rotate(45deg);
    pointer-events: none;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.service-tabs-section .section-header {
    margin-top: 0;
}
.section-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 14px;
    padding-left: 50px;
    position: relative;
}
.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 38px;
    height: 1px;
    background: var(--accent);
}
.section-header .section-title {
    margin-bottom: 0;
}

/* Tab Navigation */
.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 0;
    margin: 0 auto;
    max-width: var(--max-width);
    width: calc(100% - 40px);
    background: var(--primary);
    position: relative;
    z-index: 20;
    margin-top: -45px;
    margin-bottom: -45px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.tab-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 22px 20px;
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    flex: 1;
}
.tab-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform var(--transition);
    transform-origin: center;
}
.tab-btn.active::after,
.tab-btn:hover::after {
    transform: scaleX(1);
}
.tab-btn.active,
.tab-btn:hover {
    background: rgba(255,255,255,0.08);
}
.tab-btn-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    font-size: 1.1rem;
    transition: all var(--transition);
}
.tab-btn.active .tab-btn-icon,
.tab-btn:hover .tab-btn-icon {
    background: var(--accent);
    color: var(--white);
}
.tab-btn-text {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: 0.8px;
    color: rgba(255,255,255,0.6);
    transition: color var(--transition);
    white-space: nowrap;
}
.tab-btn.active .tab-btn-text,
.tab-btn:hover .tab-btn-text {
    color: var(--white);
}

/* Tab Content */
.tabs-content {
    position: relative;
    min-height: 420px;
}
.tab-panel {
    display: none;
    opacity: 0;
    transform: translateY(16px);
    animation: none;
}
.tab-panel.active {
    display: block;
    animation: tabFadeIn 0.5s ease forwards;
}
@keyframes tabFadeIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Tab Panel Inner */
.tab-panel-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 50px 0 20px;
}

/* Tab Image */
.tab-image {
    position: relative;
}
.tab-image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(145deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.tab-image-placeholder::before {
    content: '';
    position: absolute;
    top: 20px;
    right: 20px;
    width: 80px;
    height: 80px;
    border: 1px solid rgba(0,191,165,0.2);
    transform: rotate(45deg);
}
.tab-image-placeholder::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: -30px;
    width: 120px;
    height: 120px;
    border: 1px solid rgba(0,191,165,0.12);
    transform: rotate(45deg);
}
.tab-image-placeholder i {
    font-size: 4rem;
    color: var(--accent);
    opacity: 0.6;
    position: relative;
    z-index: 1;
}
.tab-image-accent {
    position: absolute;
    bottom: -16px;
    right: -16px;
    width: 120px;
    height: 120px;
    background: var(--accent);
    opacity: 0.12;
    z-index: -1;
}

/* Tab Info */
.tab-info {
    padding: 10px 0;
}
.tab-info-title {
    font-family: var(--font-heading);
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    line-height: 1.3;
}
.tab-info-desc {
    color: var(--gray-600);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 28px;
}
.tab-info-list {
    margin-bottom: 36px;
}
.tab-info-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    font-size: 0.95rem;
    color: var(--gray-800);
    border-bottom: 1px solid var(--gray-100);
    transition: all var(--transition);
}
.tab-info-list li:last-child {
    border-bottom: none;
}
.tab-info-list li:hover {
    padding-left: 6px;
}
.tab-info-list li i {
    color: var(--accent);
    font-size: 0.75rem;
    margin-top: 5px;
    flex-shrink: 0;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 15px 36px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    text-align: center;
    text-transform: capitalize;
    letter-spacing: 1.5px;
}
.btn-primary {
    background: var(--accent);
    color: var(--white);
}
.btn-primary:hover { background: var(--accent-light); }
.btn-accent {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}
.btn-accent:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,191,165,0.3);
}
.btn-outline {
    border-color: rgba(255,255,255,0.4);
    color: var(--white);
    background: transparent;
}
.btn-outline:hover {
    border-color: var(--white);
    background: var(--white);
    color: var(--primary);
}

/* ============================================
   SECTIONS
   ============================================ */
.section { padding: 100px 0; }
.dark-bg { background: var(--primary); color: var(--white); }
.section-title {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 600;
    margin-bottom: 50px;
    text-align: center;
}
.dark-bg .section-title { color: var(--white); }

/* Page Hero (inner pages) */
.page-hero {
    background: var(--primary);
    padding: calc(var(--top-bar-height) + var(--header-height) + 60px) 0 60px;
    text-align: center;
}
.page-hero h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--white);
}
.page-hero time { color: var(--gray-300); font-size: 0.9rem; }

/* ============================================
   PROCESS STEPS
   ============================================ */
.process-section {
    background: var(--white);
}
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
    counter-reset: step;
}
.process-step {
    text-align: center;
    padding: 0 30px;
    position: relative;
}
.process-step::after {
    content: '';
    position: absolute;
    top: 30px;
    right: 0;
    width: 50%;
    height: 2px;
    background: var(--gray-200);
}
.process-step::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 0;
    width: 50%;
    height: 2px;
    background: var(--gray-200);
}
.process-step:first-child::before,
.process-step:last-child::after {
    display: none;
}
.process-step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0 auto 24px;
    position: relative;
    z-index: 2;
    transition: all var(--transition);
}
.process-step:hover .process-step-number {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
}
.process-step-content h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 10px;
}
.process-step-content p {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ============================================
   CASES SLIDER
   ============================================ */
.cases-section {
    overflow: hidden;
}
.cases-slider {
    position: relative;
}
.cases-track {
    display: flex;
    gap: 30px;
    transition: transform 0.5s ease;
}
.case-card {
    min-width: calc(50% - 15px);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
    transition: all var(--transition);
}
.case-card:hover {
    border-color: var(--accent);
    background: rgba(255,255,255,0.08);
}
.case-image-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(145deg, var(--primary-light) 0%, var(--primary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}
.case-image-placeholder i {
    font-size: 3rem;
    color: var(--accent);
    opacity: 0.4;
}
.case-info {
    padding: 28px;
}
.case-category {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 1px;
    margin-bottom: 10px;
    display: inline-block;
}
.case-info h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 10px;
}
.case-info p {
    color: var(--gray-300);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}
.case-stats {
    display: flex;
    gap: 30px;
}
.case-stat-value {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    display: block;
    line-height: 1;
}
.case-stat-label {
    font-size: 0.78rem;
    color: var(--gray-300);
    letter-spacing: 0.5px;
}
.cases-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}
.cases-arrow {
    width: 50px;
    height: 50px;
    border: 1px solid rgba(255,255,255,0.2);
    background: none;
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    font-size: 0.9rem;
}
.cases-arrow:hover {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--white);
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials-section {
    background: var(--gray-50);
}
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.testimonial-card {
    background: var(--white);
    padding: 40px 32px;
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    position: relative;
}
.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.06);
}
.testimonial-quote {
    margin-bottom: 20px;
}
.testimonial-quote i {
    font-size: 1.5rem;
    color: var(--accent);
    opacity: 0.5;
}
.testimonial-text {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 28px;
    font-style: italic;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
    border-top: 1px solid var(--gray-200);
    padding-top: 20px;
}
.testimonial-avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.testimonial-avatar span {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.85rem;
}
.testimonial-author strong {
    display: block;
    font-size: 0.9rem;
    color: var(--primary);
}
.testimonial-author span {
    font-size: 0.8rem;
    color: var(--gray-600);
}

/* ============================================
   SERVICES GRID
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 0;
    padding: 40px 32px;
    transition: all var(--transition);
    position: relative;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 0; height: 3px;
    background: var(--accent);
    transition: width var(--transition);
}
.service-card:hover::before { width: 100%; }
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.08);
}
.service-icon { width: 56px; height: 56px; margin-bottom: 24px; }
.service-icon img { width: 100%; height: 100%; object-fit: contain; }
.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--primary);
}
.service-card p { color: var(--gray-600); font-size: 0.95rem; margin-bottom: 20px; line-height: 1.7; }
.link-arrow {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: capitalize;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap var(--transition);
}
.link-arrow:hover { gap: 14px; }
.link-arrow i { font-size: 0.75rem; }

/* ============================================
   ABOUT PREVIEW
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.about-content .section-title { text-align: left; }
.about-content p { color: var(--gray-300); margin-bottom: 32px; line-height: 1.9; font-size: 1.05rem; }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.stat-item {
    text-align: center;
    padding: 30px 10px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: border-color var(--transition);
}
.stat-item:hover { border-color: var(--accent); }
.stat-number {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--accent);
    display: block;
    line-height: 1;
    margin-bottom: 8px;
}
.stat-label { font-size: 0.85rem; color: var(--gray-300); text-transform: capitalize; letter-spacing: 1px; }

/* ============================================
   PORTFOLIO GRID
   ============================================ */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.portfolio-card { display: block; overflow: hidden; position: relative; }
.portfolio-image { aspect-ratio: 4/3; overflow: hidden; }
.portfolio-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.portfolio-card:hover .portfolio-image img { transform: scale(1.05); }
.portfolio-info {
    padding: 20px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-top: 0;
}
.portfolio-info h3 { font-size: 1.1rem; color: var(--primary); }
.portfolio-category { font-size: 0.85rem; color: var(--accent); }

/* ============================================
   BLOG GRID
   ============================================ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}
.blog-card {
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: box-shadow var(--transition);
}
.blog-card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.06); }
.blog-image { aspect-ratio: 16/9; overflow: hidden; }
.blog-image img { width: 100%; height: 100%; object-fit: cover; }
.blog-body { padding: 24px; }
.blog-body time { font-size: 0.8rem; color: var(--gray-600); }
.blog-body h3 { margin: 8px 0 12px; font-size: 1.15rem; }
.blog-body h3 a { color: var(--primary); transition: color var(--transition); }
.blog-body h3 a:hover { color: var(--accent); }
.blog-body p { color: var(--gray-600); font-size: 0.9rem; }

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--gray-800);
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--gray-200);
    border-radius: 0;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.contact-info { padding-top: 20px; }
.info-item { margin-bottom: 30px; }
.info-item h3 { font-size: 1rem; color: var(--primary); margin-bottom: 6px; }
.info-item p { color: var(--gray-600); }

/* Alerts */
.alert { padding: 16px 20px; border-radius: 0; margin-bottom: 24px; font-size: 0.9rem; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

/* Content */
.content-block { max-width: 800px; margin: 0 auto; line-height: 1.8; font-size: 1.05rem; }
.content-narrow { max-width: 760px; margin: 0 auto; }
.featured-image { margin-bottom: 40px; overflow: hidden; }

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: var(--primary);
    text-align: center;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    border: 1px solid rgba(0,191,165,0.1);
    transform: rotate(45deg);
    pointer-events: none;
}
.cta-section h2 {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    color: var(--white);
    margin-bottom: 16px;
}
.cta-section p { color: var(--gray-300); margin-bottom: 36px; font-size: 1.05rem; }

/* ============================================
   PAGINATION
   ============================================ */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.pagination a {
    padding: 8px 14px;
    border: 1px solid var(--gray-200);
    font-size: 0.9rem;
    transition: all var(--transition);
}
.pagination a.active,
.pagination a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
}

/* ============================================
   ERROR PAGE
   ============================================ */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--primary);
}
.error-page h1 {
    font-family: var(--font-heading);
    font-size: 8rem;
    color: var(--accent);
    line-height: 1;
}
.error-page p { color: var(--gray-300); margin: 16px 0 32px; font-size: 1.1rem; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer { background: var(--primary-dark); color: var(--gray-300); padding: 80px 0 0; }
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}
.footer-logo { display: flex; flex-direction: column; margin-bottom: 16px; }
.footer-logo .logo-text { color: var(--accent); font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700; letter-spacing: 2px; }
.footer-logo .logo-sub { color: var(--gray-300); font-size: 0.6rem; letter-spacing: 1px; }
.footer-desc { font-size: 0.9rem; line-height: 1.7; }
.footer-col h4 {
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: 1px;
    margin-bottom: 20px;
}
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 0.9rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    margin-top: 50px;
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .slider-controls { right: 20px; }
    .hero-slide::before,
    .hero-slide::after { display: none; }
    .slide-title { font-size: 3rem; }

    /* Tabs responsive - tablet */
    .tab-btn { padding: 20px 20px; }
    .tab-btn-icon { width: 40px; height: 40px; font-size: 0.95rem; }
    .tab-btn-text { font-size: 0.75rem; }
    .tab-panel-inner { gap: 40px; }
    .tab-info-title { font-size: 1.6rem; }

    .process-steps { grid-template-columns: repeat(2, 1fr); gap: 40px; }
    .process-step::before, .process-step::after { display: none; }
    .testimonials-grid { grid-template-columns: 1fr 1fr; }
    .case-card { min-width: calc(100% - 0px); }
}

@media (max-width: 768px) {
    .top-bar-left { display: none; }
    .top-bar .container { justify-content: flex-end; }

    .main-nav { display: none; }
    .main-nav.open {
        display: flex;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: var(--primary-dark);
        z-index: 999;
        padding: calc(var(--top-bar-height) + var(--header-height) + 20px) 30px 40px;
        flex-direction: column;
        overflow-y: auto;
    }
    .main-nav.open ul {
        flex-direction: column;
        gap: 0;
    }
    .main-nav.open a {
        font-size: 1.3rem;
        padding: 16px 0;
        display: block;
        border-bottom: 1px solid rgba(255,255,255,0.06);
        text-transform: capitalize;
        letter-spacing: 2px;
    }
    .main-nav.open a::after { display: none; }
    .burger { display: block; }
    .header-cta-btn { display: none; }

    .slide-title { font-size: 2.4rem; }
    .slide-text { font-size: 1rem; }
    .slider-controls { display: none; }
    .scroll-indicator { display: none; }
    .slider-pagination { bottom: 30px; }

    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-content .section-title { text-align: center; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .section { padding: 70px 0; }

    /* Tabs responsive - mobile */
    .tabs-nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        justify-content: flex-start;
        gap: 0;
        padding-bottom: 0;
    }
    .tabs-nav::-webkit-scrollbar { display: none; }
    .tab-btn {
        padding: 16px 18px;
        min-width: 120px;
        flex: 0 0 auto;
        max-width: none;
    }
    .tab-btn-icon { width: 36px; height: 36px; font-size: 0.85rem; }
    .tab-btn-text { font-size: 0.7rem; letter-spacing: 0.5px; }
    .tab-panel-inner {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 30px 0 10px;
    }
    .tab-image { order: -1; }
    .tab-image-placeholder { aspect-ratio: 16/9; }
    .tab-image-accent { width: 80px; height: 80px; bottom: -10px; right: -10px; }
    .tab-info-title { font-size: 1.5rem; }
    .service-tabs-section { padding: 70px 0; padding-top: 60px; }
    .tabs-nav { margin-top: -35px; margin-bottom: -35px; width: calc(100% - 20px); }

    .process-steps { grid-template-columns: 1fr; gap: 30px; }
    .testimonials-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero-slider { min-height: 100vh; }
    .slide-content { padding-top: 20px; }
    .slide-title { font-size: 1.9rem; }
    .slide-label { font-size: 0.7rem; letter-spacing: 2px; }
    .slide-text { font-size: 0.95rem; margin-bottom: 30px; }
    .btn { padding: 13px 28px; font-size: 0.78rem; }
    .footer-grid { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: repeat(3, 1fr); }
    .section-title { font-size: 1.9rem; }
    .slider-pagination { bottom: 20px; }
}