/* ============================================================
   TOPCAL INC — MAIN STYLESHEET
   ============================================================ */

/* ---- CSS VARIABLES ---- */
:root {
    --primary:       #C8902A;
    --primary-dark:  #A87020;
    --primary-light: #E8B050;
    --dark:          #0D1117;
    --dark-2:        #161B22;
    --dark-3:        #1E2530;
    --mid:           #2D3748;
    --light-bg:      #F7F8FA;
    --text:          #1A202C;
    --text-muted:    #6B7280;
    --text-light:    #9CA3AF;
    --white:         #FFFFFF;
    --border:        rgba(0,0,0,0.09);
    --shadow-sm:     0 2px 8px rgba(0,0,0,0.07);
    --shadow-md:     0 8px 32px rgba(0,0,0,0.10);
    --shadow-lg:     0 20px 60px rgba(0,0,0,0.15);
    --radius:        12px;
    --radius-lg:     20px;
    --transition:    all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --container:     1240px;
    --font-head:     'Montserrat', sans-serif;
    --font-body:     'Inter', sans-serif;
}

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
    font-family: var(--font-body);
    color: var(--text);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }

/* ---- UTILITY ---- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 96px 0;
}

.text-accent { color: var(--primary); }

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-head);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary);
    background: rgba(200, 144, 42, 0.12);
    padding: 6px 14px;
    border-radius: 40px;
    margin-bottom: 16px;
}

.section-tag.light {
    color: var(--primary-light);
    background: rgba(200, 144, 42, 0.18);
}

.section-title {
    font-family: var(--font-head);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--dark);
    margin-bottom: 16px;
}

.section-title.light { color: var(--white); }

.section-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 580px;
    line-height: 1.7;
}

.section-desc.light { color: rgba(255,255,255,0.75); }

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header .section-desc { margin: 0 auto; }

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    padding: 14px 28px;
    border-radius: 6px;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(200, 144, 42, 0.35);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(200, 144, 42, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.6);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.12);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn-outline-sm {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    padding: 10px 20px;
    border-radius: 5px;
    border: 2px solid rgba(200, 144, 42, 0.5);
    color: var(--primary-light);
    transition: var(--transition);
    margin-top: 12px;
}

.btn-outline-sm:hover {
    border-color: var(--primary);
    color: var(--white);
    background: var(--primary);
}

.btn-white {
    background: var(--white);
    color: var(--dark);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 16px 36px;
    border-radius: 6px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    transition: var(--transition);
}

.btn-white:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(200, 144, 42, 0.4);
}

.btn-nav {
    background: var(--primary);
    color: var(--white);
    font-size: 0.88rem;
    padding: 13px 26px;
    border-radius: 6px;
    font-family: var(--font-head);
    font-weight: 700;
    letter-spacing: 0.04em;
    transition: var(--transition);
}

.btn-nav:hover {
    background: var(--primary-dark);
}

.btn-full { width: 100%; justify-content: center; padding: 16px; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 28px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(13, 17, 23, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 18px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.nav-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    gap: 48px;
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 2px;
    font-family: var(--font-head);
    font-weight: 900;
    font-size: 2rem;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.logo-top { color: var(--white); }
.logo-cal { color: var(--primary); }
.logo-tag {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: 0.12em;
    margin-left: 5px;
    align-self: center;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    flex: 1;
    justify-content: center;
}

.nav-link {
    font-family: var(--font-head);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.75);
    transition: var(--transition);
    position: relative;
    padding-bottom: 3px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
    margin-left: auto;
}

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

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(
        160deg,
        rgba(13,17,23,0.88) 0%,
        rgba(13,17,23,0.72) 50%,
        rgba(200,144,42,0.15) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 860px;
    padding: 140px 24px 100px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(200, 144, 42, 0.18);
    border: 1px solid rgba(200, 144, 42, 0.4);
    color: var(--primary-light);
    padding: 8px 18px;
    border-radius: 40px;
    font-family: var(--font-head);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 28px;
    animation: fadeUp 0.8s ease 0.1s both;
}

.hero-title {
    font-family: var(--font-head);
    font-size: clamp(2.8rem, 7vw, 5.2rem);
    font-weight: 900;
    line-height: 1.05;
    color: var(--white);
    margin-bottom: 24px;
    animation: fadeUp 0.8s ease 0.25s both;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255,255,255,0.72);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.7;
    animation: fadeUp 0.8s ease 0.4s both;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
    animation: fadeUp 0.8s ease 0.55s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    background: rgba(255,255,255,0.07);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius);
    padding: 20px 32px;
    animation: fadeUp 0.8s ease 0.7s both;
}

.stat {
    text-align: center;
    padding: 0 28px;
}

.stat-number {
    display: block;
    font-family: var(--font-head);
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-head);
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 0.78rem;
    color: rgba(255,255,255,0.6);
    font-weight: 500;
    letter-spacing: 0.04em;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 44px;
    background: rgba(255,255,255,0.18);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.45);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: fadeIn 1.2s ease 1.2s both;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
    animation: scrollPulse 2s ease infinite;
}

/* ============================================================
   MARQUEE BAR
   ============================================================ */
.marquee-bar {
    background: var(--primary);
    overflow: hidden;
    padding: 14px 0;
}

.marquee-track {
    display: flex;
    gap: 0;
    animation: marqueeSlide 28s linear infinite;
    width: max-content;
}

.marquee-track span {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-head);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
    white-space: nowrap;
    padding: 0 36px;
    border-right: 1px solid rgba(255,255,255,0.25);
}

.marquee-track span i {
    opacity: 0.8;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
    background: var(--light-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img-main img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.about-img-main:hover img { transform: scale(1.03); }

.about-img-accent {
    position: absolute;
    bottom: -32px;
    right: -32px;
    width: 220px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 5px solid var(--white);
    box-shadow: var(--shadow-lg);
    z-index: 2;
}

.about-img-accent img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.about-badge-float {
    position: absolute;
    top: 32px;
    left: -24px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius);
    padding: 20px 22px;
    text-align: center;
    z-index: 2;
    box-shadow: 0 8px 30px rgba(200, 144, 42, 0.4);
}

.float-number {
    display: block;
    font-family: var(--font-head);
    font-size: 2.4rem;
    font-weight: 900;
    line-height: 1;
}

.float-text {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    opacity: 0.85;
    line-height: 1.4;
}

.about-content .section-title { margin-top: 4px; }

.about-lead {
    font-size: 1.1rem;
    color: var(--text);
    font-weight: 500;
    line-height: 1.7;
    margin-bottom: 16px;
}

.about-body {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 28px;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 36px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
}

.value-item i {
    color: var(--primary);
    font-size: 1rem;
    flex-shrink: 0;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(200, 144, 42, 0.2);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px; height: 52px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 1.15rem;
    position: absolute;
    bottom: -26px;
    right: 20px;
    z-index: 2;
    box-shadow: 0 4px 20px rgba(200, 144, 42, 0.4);
}

.service-img {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.service-card:hover .service-img img { transform: scale(1.06); }

.service-body {
    padding: 44px 24px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-body h3 {
    font-family: var(--font-head);
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 10px;
}

.service-body p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 20px;
    flex: 1;
}

.service-features li {
    font-size: 0.82rem;
    color: var(--text-muted);
    padding-left: 16px;
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px; height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-head);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.04em;
    transition: gap 0.2s ease;
}

.service-link:hover { gap: 10px; }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects {
    background: var(--light-bg);
}

.projects-filter {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    font-family: var(--font-head);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 9px 20px;
    border-radius: 40px;
    border: 2px solid var(--border);
    color: var(--text-muted);
    background: var(--white);
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(200, 144, 42, 0.35);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.project-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.project-card.hidden {
    display: none;
}

.project-img {
    position: relative;
    overflow: hidden;
    height: 280px;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-card:hover .project-img img { transform: scale(1.08); }

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(13,17,23,0.92) 0%,
        rgba(13,17,23,0.3) 50%,
        transparent 100%
    );
    display: flex;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.project-card:hover .project-overlay { opacity: 1; }

.project-info { color: var(--white); }

.project-cat {
    display: inline-block;
    font-family: var(--font-head);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary-light);
    margin-bottom: 6px;
}

.project-info h4 {
    font-family: var(--font-head);
    font-size: 1.05rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.project-info p {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.7);
}

/* ============================================================
   WHY US
   ============================================================ */
.why-us {
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.why-us::before {
    content: '';
    position: absolute;
    top: -200px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(200, 144, 42, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.why-us::after {
    content: '';
    position: absolute;
    bottom: -100px; left: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(200, 144, 42, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.why-inner {
    position: relative;
    z-index: 1;
}

.why-content .section-desc { margin-bottom: 48px; }

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.why-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}

.why-card:hover {
    background: rgba(200, 144, 42, 0.08);
    border-color: rgba(200, 144, 42, 0.3);
    transform: translateY(-4px);
}

.why-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px; height: 48px;
    background: rgba(200, 144, 42, 0.15);
    border-radius: 10px;
    color: var(--primary);
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.why-card h4 {
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.why-card p {
    font-size: 0.87rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.7;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials {
    background: var(--white);
}

.testimonials-slider {
    max-width: 820px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
    min-width: 100%;
    background: var(--light-bg);
    border-radius: var(--radius-lg);
    padding: 44px 48px;
    border: 1px solid var(--border);
}

.testi-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testi-stars i { color: var(--primary); font-size: 0.9rem; }

.testimonial-card > p {
    font-size: 1.08rem;
    line-height: 1.8;
    color: var(--text);
    font-style: italic;
    margin-bottom: 28px;
    quotes: "\201C" "\201D";
}

.testimonial-card > p::before { content: open-quote; color: var(--primary); font-size: 1.5rem; }

.testi-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testi-avatar {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    font-family: var(--font-head);
    font-weight: 800;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.testi-author strong {
    display: block;
    font-family: var(--font-head);
    font-weight: 700;
    color: var(--dark);
    font-size: 0.92rem;
}

.testi-author span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.testi-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 28px;
}

.testi-btn {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--light-bg);
    border: 2px solid var(--border);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: var(--transition);
}

.testi-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.testi-dots {
    display: flex;
    gap: 8px;
}

.testi-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--border);
    transition: var(--transition);
    cursor: pointer;
}

.testi-dot.active {
    background: var(--primary);
    transform: scale(1.3);
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
    position: relative;
    padding: 96px 0;
    background: url('images/hero-main.jpg?v=2') center/cover no-repeat;
    overflow: hidden;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13,17,23,0.88) 0%, rgba(200,144,42,0.55) 100%);
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    font-family: var(--font-head);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 36px;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
    background: var(--light-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 80px;
    align-items: start;
}

.contact-info .section-title { margin-top: 4px; }

.contact-info > p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 36px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 42px; height: 42px;
    background: rgba(200, 144, 42, 0.12);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-family: var(--font-head);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--dark);
    margin-bottom: 2px;
}

.contact-item span {
    font-size: 0.92rem;
    color: var(--text-muted);
}

.contact-certifications {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-head);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary-dark);
    background: rgba(200, 144, 42, 0.1);
    border: 1px solid rgba(200, 144, 42, 0.25);
    padding: 6px 12px;
    border-radius: 40px;
}

/* Contact Form */
.contact-form-wrap {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 44px 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-family: var(--font-head);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 0.92rem;
    color: var(--text);
    background: var(--white);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(200, 144, 42, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

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

.form-notice {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    color: var(--text-light);
    justify-content: center;
}

.form-success {
    display: none;
    align-items: center;
    gap: 12px;
    background: #D1FAE5;
    border: 1px solid #6EE7B7;
    color: #065F46;
    padding: 16px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
}

.form-success.show { display: flex; }

.form-success i { font-size: 1.2rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
}

.footer-main {
    padding: 72px 0 48px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 48px;
}

.footer-brand .footer-logo {
    display: flex;
    align-items: baseline;
    gap: 2px;
    font-family: var(--font-head);
    font-weight: 900;
    font-size: 1.55rem;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.5);
    max-width: 280px;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 36px; height: 36px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.55);
    font-size: 0.85rem;
    transition: var(--transition);
}

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

.footer-links h5,
.footer-contact h5 {
    font-family: var(--font-head);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.5);
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.87rem;
    color: rgba(255,255,255,0.5);
    margin-bottom: 10px;
}

.footer-contact i { color: var(--primary); font-size: 0.8rem; width: 14px; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.07);
    padding: 20px 0;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
    text-align: center;
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px; height: 44px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    box-shadow: 0 4px 20px rgba(200, 144, 42, 0.45);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes marqueeSlide {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.5; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

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

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 900px) {
    .about-grid { grid-template-columns: 1fr; gap: 60px; }
    .about-images { max-width: 540px; margin: 0 auto; }
    .about-badge-float { left: 0; }
    .contact-grid { grid-template-columns: 1fr; gap: 48px; }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
    .btn-nav { display: none; }

    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        inset: 0;
        top: 0;
        background: rgba(13,17,23,0.98);
        backdrop-filter: blur(20px);
        align-items: center;
        justify-content: center;
        gap: 28px;
        z-index: 999;
    }

    .nav-links.open .nav-link {
        font-size: 1.3rem;
        font-weight: 800;
    }
}

@media (max-width: 640px) {
    .section { padding: 64px 0; }
    .hero-stats { padding: 16px 12px; gap: 0; }
    .stat { padding: 0 16px; }
    .stat-number { font-size: 1.6rem; }
    .services-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form-wrap { padding: 28px 20px; }
    .testimonial-card { padding: 28px 24px; }
    .about-values { grid-template-columns: 1fr; }
    .hero-cta { flex-direction: column; align-items: center; }
}

@media (max-width: 420px) {
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    .stat-divider {
        width: 60px;
        height: 1px;
    }
}