/* ===================================
   ARCH INDIA SOIL INVESTIGATION
   Premium One-Page Website Styles
   =================================== */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
    /* Earth-inspired color palette */
    --bg-primary: #0c0e12;
    --bg-secondary: #121620;
    --bg-card: rgba(20, 25, 38, 0.7);
    --bg-card-hover: rgba(30, 38, 58, 0.85);

    /* Accent colors – warm earth tones */
    --accent-primary: #d4883a;
    --accent-secondary: #e6a95f;
    --accent-tertiary: #c97025;
    --accent-glow: rgba(212, 136, 58, 0.25);

    /* Gradient */
    --gradient-primary: linear-gradient(135deg, #d4883a, #e6a95f, #c97025);
    --gradient-hero: linear-gradient(160deg, #0c0e12 0%, #1a1520 40%, #1c1418 100%);
    --gradient-card: linear-gradient(145deg, rgba(212, 136, 58, 0.08), rgba(201, 112, 37, 0.03));

    /* Text */
    --text-primary: #f0ece6;
    --text-secondary: #a8a094;
    --text-muted: #6b6360;
    --text-accent: #d4883a;

    /* Borders */
    --border-subtle: rgba(212, 136, 58, 0.1);
    --border-glow: rgba(212, 136, 58, 0.3);

    /* Spacing */
    --section-padding: 100px 0;

    /* Typography */
    --font-primary: 'Outfit', sans-serif;
    --font-secondary: 'Inter', sans-serif;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(212, 136, 58, 0.15);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-secondary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== UTILITY CLASSES ===== */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.label-line {
    display: inline-block;
    width: 32px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== SCROLL ANIMATIONS ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: var(--transition-fast);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #0c0e12;
    box-shadow: 0 4px 20px rgba(212, 136, 58, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(212, 136, 58, 0.45);
}

.btn-secondary {
    background: rgba(212, 136, 58, 0.1);
    color: var(--accent-primary);
    border: 1px solid var(--border-glow);
}

.btn-secondary:hover {
    background: rgba(212, 136, 58, 0.2);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(240, 236, 230, 0.3);
}

.btn-outline-light:hover {
    background: rgba(240, 236, 230, 0.1);
    border-color: rgba(240, 236, 230, 0.6);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

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

/* ===================================================
   NAVBAR
   =================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(12, 14, 18, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #0c0e12;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-family: var(--font-primary);
    font-weight: 800;
    font-size: 1.15rem;
    line-height: 1.1;
    color: var(--text-primary);
}

.logo-tagline {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--accent-primary);
    font-weight: 600;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-radius: 50px;
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(212, 136, 58, 0.1);
}

.nav-link.active {
    color: var(--accent-primary);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--gradient-primary);
    color: #0c0e12;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition-smooth);
}

.nav-cta:hover {
    box-shadow: 0 4px 20px rgba(212, 136, 58, 0.4);
    transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===================================================
   HERO SECTION
   =================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(212, 136, 58, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(201, 112, 37, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: rgba(212, 136, 58, 0.1);
    border: 1px solid rgba(212, 136, 58, 0.2);
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent-secondary);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-badge i {
    color: var(--accent-primary);
}

.hero-title {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero-description {
    font-size: 1.08rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 36px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-primary);
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-family: var(--font-primary);
    font-size: 1.6rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-subtle);
}

/* Hero Visual / Illustration */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 480px;
}

.hero-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212, 136, 58, 0.15), transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
}

.hero-illustration {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.soil-layers {
    width: 80%;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-lg);
}

.layer {
    padding: 28px 24px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    transition: var(--transition-smooth);
}

.layer:hover {
    padding-left: 36px;
}

.layer span {
    position: relative;
    z-index: 1;
}

.layer-1 {
    background: linear-gradient(90deg, #5a4635, #6b5744);
    color: #e8d5c0;
}

.layer-2 {
    background: linear-gradient(90deg, #7a5f42, #8b6f52);
    color: #f0dcc8;
}

.layer-3 {
    background: linear-gradient(90deg, #8c7560, #9d8670);
    color: #f5e8da;
}

.layer-4 {
    background: linear-gradient(90deg, #565a5e, #686c70);
    color: #d0d4d8;
}

/* Drill Rig */
.drill-rig {
    position: absolute;
    right: 18%;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 5;
}

.rig-tower {
    width: 6px;
    height: 120px;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-tertiary));
    border-radius: 3px;
    position: relative;
}

.rig-tower::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(212, 136, 58, 0.5);
}

.rig-base {
    width: 40px;
    height: 8px;
    background: var(--accent-tertiary);
    border-radius: 4px;
    margin-top: -2px;
}

.drill-pipe {
    width: 3px;
    height: 0;
    background: repeating-linear-gradient(
        180deg,
        var(--accent-primary) 0px,
        var(--accent-primary) 4px,
        transparent 4px,
        transparent 8px
    );
    animation: drilling 3s ease-in-out infinite;
}

@keyframes drilling {
    0%, 100% { height: 0; }
    50% { height: 80px; }
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.hero-scroll-indicator a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.scroll-mouse {
    width: 22px;
    height: 34px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-wheel {
    width: 3px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 3px;
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { opacity: 1; transform: translateY(0); }
    50% { opacity: 0.3; transform: translateY(8px); }
}

/* ===================================================
   ABOUT SECTION
   =================================================== */
.about {
    padding: var(--section-padding);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-image-card {
    position: relative;
    aspect-ratio: 4/5;
    background: var(--gradient-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-pattern {
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 20px,
            rgba(212, 136, 58, 0.03) 20px,
            rgba(212, 136, 58, 0.03) 21px
        );
}

.about-icon-big {
    font-size: 8rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.2;
    position: relative;
    z-index: 1;
}

.experience-badge {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background: rgba(12, 14, 18, 0.85);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: 20px 28px;
    text-align: center;
    z-index: 2;
}

.exp-number {
    display: block;
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.exp-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 32px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    background: var(--gradient-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
}

.feature-item:hover {
    border-color: var(--border-glow);
    transform: translateX(6px);
}

.feature-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: rgba(212, 136, 58, 0.12);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 1.1rem;
}

.feature-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.feature-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===================================================
   SERVICES SECTION
   =================================================== */
.services {
    padding: var(--section-padding);
    background: var(--bg-secondary);
    position: relative;
}

.services::before,
.services::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
}

.services::before { top: 0; }
.services::after { bottom: 0; }

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

.service-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition-smooth);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.service-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
    background: var(--bg-card-hover);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon-wrapper {
    margin-bottom: 24px;
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(212, 136, 58, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--accent-primary);
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
    background: var(--gradient-primary);
    color: #0c0e12;
    transform: scale(1.05);
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.service-card > p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-features span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: rgba(212, 136, 58, 0.08);
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--accent-secondary);
    font-weight: 500;
}

.service-features span i {
    font-size: 0.6rem;
}

/* ===================================================
   WHY CHOOSE US
   =================================================== */
.why-us {
    padding: var(--section-padding);
    position: relative;
}

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

.why-card {
    position: relative;
    padding: 36px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.why-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.why-number {
    position: absolute;
    top: 16px;
    right: 20px;
    font-family: var(--font-primary);
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(180deg, rgba(212, 136, 58, 0.1), transparent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.why-icon {
    width: 50px;
    height: 50px;
    background: rgba(212, 136, 58, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-primary);
    margin-bottom: 20px;
    transition: var(--transition-smooth);
}

.why-card:hover .why-icon {
    background: var(--gradient-primary);
    color: #0c0e12;
}

.why-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.why-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===================================================
   PROJECTS / INDUSTRIES
   =================================================== */
.projects {
    padding: var(--section-padding);
    background: var(--bg-secondary);
    position: relative;
}

.projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
}

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

.project-card {
    position: relative;
    padding: 40px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    text-align: center;
    overflow: hidden;
    transition: var(--transition-smooth);
    cursor: default;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(212, 136, 58, 0.06), transparent 70%);
    opacity: 0;
    transition: var(--transition-smooth);
}

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

.project-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
}

.project-icon {
    width: 64px;
    height: 64px;
    background: rgba(212, 136, 58, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-primary);
    margin: 0 auto 20px;
    transition: var(--transition-smooth);
    position: relative;
    z-index: 1;
}

.project-card:hover .project-icon {
    background: var(--gradient-primary);
    color: #0c0e12;
    transform: scale(1.1);
}

.project-content {
    position: relative;
    z-index: 1;
}

.project-content h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.project-content p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===================================================
   CTA BANNER
   =================================================== */
.cta-banner {
    padding: 80px 0;
    position: relative;
    background: linear-gradient(135deg, rgba(212, 136, 58, 0.12), rgba(201, 112, 37, 0.05));
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.cta-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.cta-text h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 10px;
    color: var(--text-primary);
}

.cta-text p {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 500px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    flex-shrink: 0;
}

/* ===================================================
   CONTACT SECTION
   =================================================== */
.contact {
    padding: var(--section-padding);
    position: relative;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 48px;
    margin-bottom: 60px;
}

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

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
}

.contact-card:hover {
    border-color: var(--border-glow);
    transform: translateX(6px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: rgba(212, 136, 58, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 1.1rem;
}

.contact-details h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.contact-details p,
.contact-details a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    display: block;
}

.contact-details a:hover {
    color: var(--accent-primary);
}

.contact-socials {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: #0c0e12;
    border-color: transparent;
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.contact-form h3 {
    font-size: 1.4rem;
    margin-bottom: 28px;
    color: var(--text-primary);
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-family: var(--font-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(12, 14, 18, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    outline: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%23a8a094' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}

.form-group select option {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Map */
.map-wrapper {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-md);
}

/* ===================================================
   FOOTER
   =================================================== */
.footer {
    padding: 80px 0 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 60px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 20px;
    line-height: 1.7;
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: 10px;
}

.footer-links ul li a,
.footer-services ul li a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.footer-links ul li a:hover,
.footer-services ul li a:hover {
    color: var(--accent-primary);
    padding-left: 6px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-contact-item i {
    color: var(--accent-primary);
    margin-top: 4px;
    min-width: 16px;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===================================================
   BACK TO TOP
   =================================================== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: #0c0e12;
    border: none;
    border-radius: 50%;
    font-size: 1rem;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-smooth);
    box-shadow: 0 4px 20px rgba(212, 136, 58, 0.3);
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212, 136, 58, 0.5);
}

/* ===================================================
   WHATSAPP FLOAT
   =================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 32px;
    left: 32px;
    width: 56px;
    height: 56px;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
    transition: var(--transition-smooth);
    animation: whatsappBounce 3s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-tooltip {
    position: absolute;
    left: 68px;
    background: #fff;
    color: #333;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition-smooth);
    pointer-events: none;
}

.whatsapp-tooltip::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-right-color: #fff;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

@keyframes whatsappBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* ===================================================
   RESPONSIVE DESIGN
   =================================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-image-wrapper {
        max-width: 360px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-content .section-title {
        text-align: center;
    }

    .about-content .section-label {
        justify-content: center;
    }

    .about-text {
        text-align: center;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-content {
        flex-direction: column;
        text-align: center;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 70px 0;
    }

    /* Nav Mobile */
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: rgba(12, 14, 18, 0.98);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 32px;
        gap: 4px;
        transition: var(--transition-smooth);
        border-left: 1px solid var(--border-subtle);
        z-index: 1000;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: 14px 16px;
        font-size: 1rem;
        border-radius: var(--radius-sm);
    }

    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    /* Hero */
    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }

    .hero-title {
        font-size: clamp(2rem, 7vw, 2.8rem);
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .hero-scroll-indicator {
        display: none;
    }

    .hero-image-wrapper {
        max-width: 280px;
    }

    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* Why Us */
    .why-us-grid {
        grid-template-columns: 1fr;
    }

    /* Projects */
    .projects-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* CTA */
    .cta-actions {
        flex-direction: column;
        width: 100%;
    }

    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }

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

    .contact-form-wrapper {
        padding: 28px 20px;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-badge {
        font-size: 0.72rem;
        padding: 6px 14px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .service-card {
        padding: 28px 20px;
    }

    .why-card {
        padding: 28px 20px;
    }

    .experience-badge {
        padding: 14px 20px;
    }

    .exp-number {
        font-size: 2rem;
    }

    .whatsapp-float {
        bottom: 20px;
        left: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.4rem;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}

/* ===== MOBILE NAV OVERLAY ===== */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ===== SELECTION STYLES ===== */
::selection {
    background: rgba(212, 136, 58, 0.3);
    color: var(--text-primary);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: rgba(212, 136, 58, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(212, 136, 58, 0.5);
}

/* ===== FOCUS STYLES ===== */
*:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ===== FORM SUCCESS/ERROR STATE ===== */
.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success i {
    font-size: 3rem;
    color: #4ade80;
    margin-bottom: 16px;
}

.form-success h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-success p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== PARTICLE DOTS ===== */
.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: floatParticle linear infinite;
}

@keyframes floatParticle {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    20% { opacity: 0.3; }
    80% { opacity: 0.3; }
    100% { transform: translateY(-100vh) translateX(50px); opacity: 0; }
}