/* ============================================
   HeFengAds — Blue Cascade Inspired
   Light theme · Purple accent · Poppins
   ============================================ */

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

:root {
    --bg-primary: #f6fafb;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f5f7;
    --accent: #8147af;
    --accent-dark: #6d3c94;
    --accent-light: #e5c6ff;
    --accent-glow: rgba(129, 71, 175, 0.12);
    --text-dark: #1a1a2e;
    --text-body: #444;
    --text-light: #888;
    --text-white: #fff;
    --border-color: #e2e8ec;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.10);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg-primary);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

body::-webkit-scrollbar { width: 10px; }
body::-webkit-scrollbar-track { background: #f1f1f1; }
body::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 5px; }
body::-webkit-scrollbar-thumb:hover { background: var(--accent-dark); }

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

/* ===== Container ===== */
.container { width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 32px; }

/* ===== Section Label ===== */
.section-label { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.section-label .label-line { width: 50px; height: 2px; background: var(--accent); }
.section-label .label-text {
    font-size: 0.8rem; font-weight: 600; letter-spacing: 2px;
    text-transform: uppercase; color: var(--accent);
}
.section-label.light .label-text { color: rgba(255,255,255,0.7); }
.section-label.light .label-line { background: rgba(255,255,255,0.4); }

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800; line-height: 1.15; color: var(--text-dark); letter-spacing: -1px;
}
.section-title.light { color: #fff; }
.section-title .accent {
    color: var(--accent); position: relative;
}
.section-title .accent::after {
    content: ''; position: absolute; bottom: 4px; left: 0; width: 100%;
    height: 8px; background: var(--accent-glow); z-index: -1; border-radius: 4px;
}
.section-desc { font-size: 1.05rem; color: var(--text-body); max-width: 700px; margin-top: 16px; line-height: 1.8; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 32px; border-radius: 50px; font-size: 0.95rem;
    font-weight: 600; cursor: pointer; border: none;
    transition: all var(--transition); font-family: inherit;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 20px rgba(129, 71, 175, 0.25); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(129, 71, 175, 0.35); }
.btn-outline { background: transparent; color: var(--text-dark); border: 2px solid var(--text-dark); }
.btn-outline:hover { background: var(--text-dark); color: #fff; }
.btn-full { width: 100%; justify-content: center; }
.btn-large { padding: 18px 40px; font-size: 1.1rem; }

.btn-link {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.85rem; font-weight: 700; letter-spacing: 1.5px;
    color: var(--accent); transition: gap var(--transition);
}
.btn-link:hover { gap: 14px; }

/* ===== Top Bar ===== */
.top-bar {
    background: var(--accent);
    color: #fff;
    font-size: 0.82rem;
    z-index: 1001;
    position: relative;
}
.top-bar-inner {
    max-width: 1400px; margin: 0 auto; padding: 8px 32px;
    display: flex; align-items: center; justify-content: space-between;
}
.top-bar-contact { display: flex; gap: 28px; }
.top-bar-item {
    display: flex; align-items: center; gap: 8px;
    color: rgba(255,255,255,0.9); transition: color var(--transition);
}
.top-bar-item:hover { color: #fff; }
.top-bar-item svg { width: 15px; height: 15px; flex-shrink: 0; }
.top-bar-social { display: flex; gap: 4px; }
.social-link {
    display: flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: 50%;
    color: rgba(255,255,255,0.8); transition: all var(--transition);
}
.social-link:hover { color: #fff; background: rgba(255,255,255,0.15); }
.social-link svg { width: 16px; height: 16px; }

/* ===== Navigation ===== */
.top-header {
    position: fixed; top: 50px; left: 0; width: 100%;
    z-index: 1000; padding: 22px 0;
    transition: all var(--transition);
}
.top-header.scrolling {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    padding: 14px 0; box-shadow: var(--shadow-sm);
    top: 0;
}
.nav-inner {
    max-width: 1400px; margin: 0 auto; padding: 0 32px;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo-img { width: 44px; height: 44px; border-radius: 8px; object-fit: cover; }
.nav-logo-text { font-size: 1.4rem; font-weight: 800; color: var(--text-dark); letter-spacing: -0.5px; }
.nav-logo-text span { color: var(--accent); }
.nav-menu { display: flex; align-items: center; gap: 36px; }
.header-navbar li a {
    position: relative; font-size: 0.92rem; font-weight: 500;
    color: var(--text-body); transition: color var(--transition); padding: 4px 0;
}
.header-navbar li a::before {
    content: ''; width: 0; height: 2px; background: var(--accent);
    position: absolute; bottom: -4px; right: 0; transition: width 0.5s;
}
.header-navbar li a:hover { color: var(--accent); }
.header-navbar li a:hover::before { width: 100%; left: 0; }
.nav-cta {
    background: var(--accent); color: #fff !important;
    padding: 10px 24px !important; border-radius: 50px; transition: all var(--transition);
}
.nav-cta::before { display: none !important; }
.nav-cta:hover { background: var(--accent-dark); transform: translateY(-1px); }
.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-burger span { width: 26px; height: 3px; background: var(--text-dark); border-radius: 2px; transition: all var(--transition); }

/* ===== Hero (LIGHT) ===== */
.hero-section {
    position: relative; min-height: 90vh; display: flex; align-items: center;
    background: linear-gradient(180deg, #f6fafb 0%, #fafdfe 50%, #f0f5f7 100%);
    overflow: hidden;
}
.hero-section::before {
    content: ''; position: absolute; top: -30%; right: -15%;
    width: 700px; height: 700px; border-radius: 50%;
    background: radial-gradient(circle, rgba(129,71,175,0.06) 0%, transparent 70%);
}
.hero-section::after {
    content: ''; position: absolute; bottom: -20%; left: -10%;
    width: 600px; height: 600px; border-radius: 50%;
    background: radial-gradient(circle, rgba(129,71,175,0.04) 0%, transparent 70%);
}
.hero-content {
    position: relative; z-index: 2;
    max-width: 1400px; margin: 0 auto; padding: 160px 32px 80px; width: 100%;
}
.hero-text-container {
    position: relative;
    background: radial-gradient(circle at 50% 50%, rgba(246,250,251,0.9) 40%, rgba(246,250,251,0.6) 65%, transparent);
    padding: 40px 0;
}
.hero-tag { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; }
.tag-line { width: 60px; height: 2px; background: var(--accent); }
.tag-text {
    font-size: 0.85rem; font-weight: 500; letter-spacing: 3px;
    text-transform: uppercase; color: var(--text-light);
}
.hero-title {
    font-size: clamp(3.5rem, 10vw, 8rem);
    font-weight: 900; line-height: 0.92; letter-spacing: -3px;
    margin-bottom: 36px; color: var(--text-dark);
}
.hero-title .title-accent {
    display: inline-block; color: var(--accent); font-style: italic;
}
.hero-sub {
    font-size: 1.2rem; color: var(--text-body); max-width: 650px;
    margin-bottom: 36px; line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-actions .btn-outline { border-color: var(--text-body); }

/* ===== At a Glance ===== */
.glance { padding: 100px 0; background: var(--bg-primary); }
.glance-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; margin-top: 60px; }
.glance-item { text-align: center; position: relative; padding: 20px; }
.glance-item::after {
    content: ''; position: absolute; right: -20px; top: 10%; height: 80%; width: 1px;
    background: linear-gradient(180deg, transparent, var(--border-color), transparent);
}
.glance-item:last-child::after { display: none; }
.glance-counter { display: inline-flex; align-items: baseline; margin-bottom: 16px; position: relative; }
.our-achievement-counter::after {
    content: ''; position: absolute; width: 10px; height: 10px; border-radius: 50%;
    background: var(--accent); bottom: -24px; left: 50%; transform: translateX(-50%);
}
.our-achievement-counter::before {
    content: ''; position: absolute; width: 2px; height: 20px;
    background: var(--accent-light); top: 100%; left: 50%;
    transform: translateX(-50%); margin-top: 4px;
}
.counter-num { font-size: clamp(3rem, 6vw, 5rem); font-weight: 800; color: var(--accent); line-height: 1; letter-spacing: -2px; }
.counter-suffix { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; color: var(--accent); line-height: 1; }
.glance-title { font-size: 1.1rem; font-weight: 600; color: var(--text-dark); margin-bottom: 12px; margin-top: 28px; }
.glance-desc { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; max-width: 280px; margin: 0 auto; }

/* ===== Who We Are ===== */
.who-we-are { padding: 100px 0; background: var(--bg-secondary); }
.who-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 80px; align-items: start; margin-top: 40px; }
.who-left { position: sticky; top: 120px; }
.who-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900; line-height: 0.95; letter-spacing: -2px;
    color: var(--text-dark); margin-bottom: 32px;
}
.who-badge {
    display: inline-flex; flex-direction: column; gap: 4px;
    margin-top: 20px; padding: 28px 36px;
    background: var(--bg-tertiary); border-radius: var(--radius);
    border-left: 4px solid var(--accent);
}
.badge-num { font-size: 3rem; font-weight: 900; color: var(--accent); line-height: 1; }
.badge-label {
    font-size: 0.75rem; font-weight: 600; letter-spacing: 2px; color: var(--text-light);
}
.who-lead {
    font-size: 1.35rem; font-weight: 500; color: var(--text-dark);
    line-height: 1.6; margin-bottom: 24px;
}
.who-text { font-size: 1.05rem; color: var(--text-body); line-height: 1.9; margin-bottom: 20px; }

/* ===== What We Do / Services ===== */
.services { padding: 100px 0; background: var(--bg-tertiary); }
.services-head { display: flex; flex-direction: column; align-items: flex-start; gap: 20px; margin-bottom: 60px; max-width: 750px; }
.services-head .btn { margin-top: 12px; }
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.service-card {
    background: var(--bg-secondary); border-radius: var(--radius-lg);
    padding: 40px 36px; transition: all 0.4s ease;
    border: 1px solid transparent; position: relative; overflow: hidden;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent-glow); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
    width: 64px; height: 64px; display: flex; align-items: center; justify-content: center;
    background: var(--accent-glow); border-radius: var(--radius); margin-bottom: 24px;
    color: var(--accent); transition: all var(--transition);
}
.service-card:hover .service-icon { background: var(--accent); color: #fff; transform: scale(1.05); }
.service-icon svg { width: 32px; height: 32px; }
.service-label {
    font-size: 0.7rem; font-weight: 700; letter-spacing: 2px;
    color: var(--accent); display: block; margin-bottom: 12px;
}
.service-title { font-size: 1.15rem; font-weight: 700; color: var(--text-dark); margin-bottom: 16px; line-height: 1.3; }
.service-desc { font-size: 0.95rem; color: var(--text-body); line-height: 1.8; margin-bottom: 20px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.service-tags span {
    font-size: 0.75rem; font-weight: 500; padding: 5px 12px;
    background: var(--bg-tertiary); color: var(--accent);
    border-radius: 20px; border: 1px solid var(--accent-glow);
}
.service-link { display: inline-flex; align-items: center; gap: 8px; font-size: 0.85rem; font-weight: 600; color: var(--accent); transition: gap var(--transition); }
.service-link:hover { gap: 14px; }

/* ===== Why Choose Us ===== */
.why-us { padding: 100px 0; background: var(--bg-secondary); }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 50px; }
.why-item { text-align: center; padding: 36px 20px; transition: all var(--transition); border-radius: var(--radius-lg); }
.why-item:hover { background: var(--bg-tertiary); transform: translateY(-4px); }
.why-icon {
    width: 56px; height: 56px; margin: 0 auto 20px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent-glow); border-radius: 14px; color: var(--accent);
}
.why-icon svg { width: 28px; height: 28px; }
.why-content h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.why-content p { font-size: 0.9rem; color: var(--text-body); line-height: 1.7; }

/* ===== Journey ===== */
.journey { padding: 100px 0; background: var(--bg-tertiary); }
.journey-head { margin-bottom: 50px; max-width: 800px; }
.journey-timeline { margin-top: 40px; }
.timeline-years { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 0; overflow-x: auto; padding-bottom: 8px; }
.year-btn {
    background: none; border: none; font-family: inherit;
    font-size: 1.1rem; font-weight: 700; color: var(--text-light);
    cursor: pointer; padding: 12px 18px; transition: all var(--transition);
    white-space: nowrap; position: relative;
}
.year-btn:hover { color: var(--accent); }
.year-btn.active { color: var(--accent); }
.year-btn.active::after {
    content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 30px; height: 4px; background: var(--accent); border-radius: 2px;
}
.timeline-track { position: relative; height: 2px; background: var(--border-color); margin: 0 20px 60px; }
.timeline-line { position: absolute; inset: 0; background: var(--border-color); }
.timeline-progress {
    position: absolute; top: 0; left: 0; height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transition: width 0.5s ease; width: 0%;
}
.timeline-content { position: relative; min-height: 200px; }
.timeline-panel { display: none; max-width: 700px; margin: 0 auto; text-align: center; animation: fadeInUp 0.5s forwards; }
.timeline-panel.active { display: block; }
.timeline-year-badge {
    display: inline-block; font-size: 0.95rem; font-weight: 700; letter-spacing: 2px;
    color: var(--accent); background: var(--accent-glow); padding: 6px 20px;
    border-radius: 20px; margin-bottom: 20px;
}
.timeline-title { font-size: 2rem; font-weight: 800; color: var(--text-dark); margin-bottom: 16px; }
.timeline-text { font-size: 1.05rem; color: var(--text-body); line-height: 1.9; }
.journey-footer { text-align: center; margin-top: 40px; }

/* ===== Projects ===== */
.projects { padding: 100px 0; background: var(--bg-secondary); }
.projects-head { margin-bottom: 60px; max-width: 700px; }
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.project-card {
    background: var(--bg-secondary); border-radius: var(--radius-lg);
    overflow: hidden; transition: all 0.4s ease; box-shadow: var(--shadow-sm);
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-visual {
    height: 260px; position: relative; overflow: hidden;
    display: flex; align-items: flex-end; padding: 24px;
}
.project-visual::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.7) 100%); z-index: 1;
}
.project-glow {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 200px; height: 200px; border-radius: 50%; filter: blur(60px);
    opacity: 0.25; transition: opacity 0.4s;
}
.project-card:hover .project-glow { opacity: 0.45; }

.p1 { background: linear-gradient(135deg, #1a1a2e, #16213e); }
.p1 .project-glow { background: #d4af37; }
.p2 { background: linear-gradient(135deg, #0f3460, #1a1a2e); }
.p2 .project-glow { background: #8147af; }
.p3 { background: linear-gradient(135deg, #16213e, #0f3460); }
.p3 .project-glow { background: #e94560; }
.p4 { background: linear-gradient(135deg, #1a1a2e, #0f3460); }
.p4 .project-glow { background: #f5a623; }
.p5 { background: linear-gradient(135deg, #16213e, #1a1a2e); }
.p5 .project-glow { background: #00d4ff; }
.p6 { background: linear-gradient(135deg, #0f3460, #16213e); }
.p6 .project-glow { background: #8147af; }

.project-label { position: relative; z-index: 2; }
.project-cat {
    display: inline-block; font-size: 0.7rem; font-weight: 600;
    letter-spacing: 2px; text-transform: uppercase; color: var(--accent-light); margin-bottom: 8px;
}
.project-label h4 { font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.project-loc { font-size: 0.85rem; color: rgba(255,255,255,0.6); }
.project-info { padding: 28px 24px; }
.project-info h3 { font-size: 1.2rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.project-info p { font-size: 0.9rem; color: var(--text-body); line-height: 1.7; }
.projects-footer { text-align: center; margin-top: 50px; }

/* ===== CTA ===== */
.cta-section { padding: 80px 0; background: var(--accent); position: relative; overflow: hidden; }
.cta-section::before {
    content: ''; position: absolute; top: -50%; right: -20%;
    width: 500px; height: 500px; border-radius: 50%;
    background: rgba(255,255,255,0.05);
}
.cta-inner { text-align: center; position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
.cta-title {
    font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800;
    color: #fff; margin-bottom: 16px; letter-spacing: -1px;
}
.cta-desc { font-size: 1.15rem; color: rgba(255,255,255,0.8); margin-bottom: 32px; }
.cta-section .btn-primary {
    background: #fff; color: var(--accent); box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.cta-section .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,0,0,0.2); }

/* ===== Contact ===== */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    position: relative; overflow: hidden;
}
.contact::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(129,71,175,0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(15,52,96,0.4) 0%, transparent 50%);
}
.contact .container { position: relative; z-index: 1; }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-desc { font-size: 1.05rem; color: rgba(255,255,255,0.7); line-height: 1.8; margin-bottom: 40px; max-width: 500px; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.info-item { display: flex; align-items: center; gap: 16px; }
.info-icon {
    width: 48px; height: 48px; display: flex; align-items: center; justify-content: center;
    background: rgba(129,71,175,0.2); border-radius: 12px; color: var(--accent-light); flex-shrink: 0;
}
.info-icon svg { width: 22px; height: 22px; }
.info-item .info-label { display: block; font-size: 0.75rem; letter-spacing: 1px; text-transform: uppercase; color: rgba(255,255,255,0.5); margin-bottom: 2px; }
.info-item a, .info-item span:not(.info-label) { font-size: 1rem; color: rgba(255,255,255,0.9); font-weight: 500; }
.info-item a:hover { color: var(--accent-light); }

.contact-form {
    background: rgba(255,255,255,0.05); backdrop-filter: blur(10px);
    border-radius: var(--radius-lg); padding: 40px; border: 1px solid rgba(255,255,255,0.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 28px; }
.form-field { position: relative; }
.form-field input, .form-field select, .form-field textarea {
    width: 100%; background: transparent; border: none;
    border-bottom: 1px solid rgba(255,255,255,0.2); padding: 12px 0;
    font-size: 1rem; font-family: inherit; color: #fff; outline: none;
    transition: border-color var(--transition);
}
.form-field select { color: #fff; }
.form-field select option { color: #333; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-bottom-color: var(--accent); }
.form-field label {
    position: absolute; left: 0; top: 12px; font-size: 0.95rem;
    color: rgba(255,255,255,0.5); pointer-events: none; transition: all var(--transition);
}
.form-field input:focus + label, .form-field input:valid + label,
.form-field textarea:focus + label, .form-field textarea:valid + label {
    top: -12px; font-size: 0.75rem; color: var(--accent-light);
}
.form-field select:valid + label, .form-field select:focus + label { top: -12px; font-size: 0.75rem; color: var(--accent-light); }
.field-line { position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--accent); transition: width var(--transition); }
.form-field input:focus ~ .field-line, .form-field select:focus ~ .field-line, .form-field textarea:focus ~ .field-line { width: 100%; }
.form-field textarea { resize: vertical; min-height: 80px; }
.form-note { margin-top: 16px; font-size: 0.9rem; color: var(--accent-light); text-align: center; min-height: 20px; }

/* ===== Footer ===== */
.footer { background: #0d0d1a; padding: 80px 0 30px; color: rgba(255,255,255,0.6); }
.footer-inner {
    display: grid; grid-template-columns: 1fr 2fr; gap: 60px;
    padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .nav-logo-text { color: #fff; }
.footer-brand .nav-logo-text span { color: var(--accent-light); }
.footer-logo-img { width: 48px; height: 48px; border-radius: 8px; margin-bottom: 20px; }
.footer-tagline { font-size: 0.95rem; margin-top: 16px; color: rgba(255,255,255,0.5); }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.footer-col h5 {
    font-size: 0.85rem; font-weight: 700; letter-spacing: 2px;
    text-transform: uppercase; color: #fff; margin-bottom: 20px;
}
.footer-col a {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.9rem; color: rgba(255,255,255,0.5); margin-bottom: 12px;
    transition: all var(--transition);
}
.footer-col a:hover { color: #fff; padding-left: 6px; }
.social-icon-s { width: 14px; height: 14px; flex-shrink: 0; }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 30px; font-size: 0.85rem; color: rgba(255,255,255,0.35);
}

/* ===== Animations ===== */
@keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .glance-grid { grid-template-columns: repeat(2, 1fr); gap: 50px; }
    .glance-item:nth-child(2)::after { display: none; }
    .who-grid { grid-template-columns: 1fr; gap: 40px; }
    .who-left { position: static; }
    .services-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-inner { grid-template-columns: 1fr; gap: 50px; }
    .footer-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .top-bar { display: none; }
    .top-header { top: 0 !important; }
    .hero-content { padding: 120px 20px 60px; }
    .hero-title { letter-spacing: -1px; font-size: clamp(2.5rem, 8vw, 4rem); }

    .nav-menu {
        position: fixed; top: 0; right: -100%; width: 80%; max-width: 320px;
        height: 100vh; background: #fff; flex-direction: column; justify-content: center;
        gap: 30px; transition: right 0.4s ease; box-shadow: -10px 0 40px rgba(0,0,0,0.1);
    }
    .nav-menu.active { right: 0; }
    .nav-burger { display: flex; }
    .nav-burger.active span:nth-child(1) { transform: rotate(45deg) translate(6px,6px); }
    .nav-burger.active span:nth-child(2) { opacity: 0; }
    .nav-burger.active span:nth-child(3) { transform: rotate(-45deg) translate(6px,-6px); }

    .glance-grid { grid-template-columns: 1fr; gap: 50px; }
    .glance-item::after { display: none; }
    .why-grid { grid-template-columns: 1fr; gap: 20px; }
    .projects-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; gap: 28px; }
    .footer-links { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
    .timeline-years { gap: 2px; }
    .year-btn { font-size: 0.85rem; padding: 8px 10px; }
    .contact-form { padding: 28px 20px; }
    .who-title { font-size: 2.5rem; }
}

@media (max-width: 480px) {
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .nav-logo-text { display: none; }
}