/* ========================================
   ARE INFRATECH — Design System & Styles
   ======================================== */

/* ===== CSS Custom Properties ===== */
:root {
    /* Colors */
    --color-primary: #1a1a2e;
    --color-primary-light: #16213e;
    --color-accent: #c9a84c;
    --color-accent-light: #d4b96a;
    --color-accent-dark: #a88a34;
    --color-white: #ffffff;
    --color-off-white: #f5f5f0;
    --color-gray-100: #f0efe9;
    --color-gray-200: #e0dfd9;
    --color-gray-300: #b0afaa;
    --color-gray-400: #807f7a;
    --color-gray-500: #606060;
    --color-gray-600: #404040;
    --color-dark: #0d0d1a;
    --color-dark-card: #1e1e35;
    --color-success: #2ecc71;
    --color-danger: #e74c3c;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Borders & Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 60px rgba(0, 0, 0, 0.24);
    --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;

    /* Navbar */
    --navbar-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--navbar-height);
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-gray-600);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

/* ===== Utility Classes ===== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

.required {
    color: var(--color-danger);
}

/* ===== Buttons ===== */
.btn {
    --btn-tilt-x: 0deg;
    --btn-tilt-y: 0deg;
    --btn-lift: 0px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
    letter-spacing: 0.3px;
    transform: perspective(900px) rotateX(var(--btn-tilt-x)) rotateY(var(--btn-tilt-y)) translateY(var(--btn-lift));
    transform-style: preserve-3d;
    will-change: transform;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-primary);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
    --btn-lift: -2px;
    box-shadow: var(--shadow-gold);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
    --btn-lift: -2px;
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    position: relative;
    padding: 0.4rem 1.2rem;
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.section-desc {
    font-size: 1.05rem;
    color: var(--color-gray-400);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);
    z-index: 1000;
    transition: all var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    height: 70px;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    width: 100%;
    padding: 0 3rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    z-index: 1001;
    margin-right: auto;
}

.logo-are {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.6rem;
    color: var(--color-accent);
    letter-spacing: 2px;
}

.logo-infratech {
    font-family: var(--font-heading);
    font-weight: 400;
    font-size: 1.1rem;
    color: var(--color-white);
    letter-spacing: 4px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    margin-right: 2rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.5px;
    position: relative;
    padding: 0.3rem 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

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

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

.nav-cta {
    display: inline-flex;
    align-items: center;
    padding: 0.6rem 1.5rem;
    background: var(--color-accent);
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.nav-cta:hover {
    background: var(--color-accent-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-gold);
}

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

.hamburger .bar {
    display: block;
    width: 28px;
    height: 2.5px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all var(--transition-base);
}

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

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

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1.15);
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(13, 13, 26, 0.75) 0%,
            rgba(26, 26, 46, 0.80) 40%,
            rgba(26, 26, 46, 0.65) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 750px;
    padding: 0 var(--container-padding);
    margin-left: max(var(--container-padding), calc((100% - var(--container-max)) / 2 + var(--container-padding)));
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.2rem;
    background: rgba(201, 168, 76, 0.15);
    border: 1px solid rgba(201, 168, 76, 0.4);
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title {
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-title-line {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    color: var(--color-white);
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero-title-line.accent {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
    max-width: 550px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 2;
    animation: fadeInUp 0.8s ease 1.2s both;
}

.hero-scroll-indicator span {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {

    0%,
    100% {
        transform: scaleY(1);
        opacity: 1;
    }

    50% {
        transform: scaleY(0.5);
        opacity: 0.3;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about {
    padding: var(--space-5xl) 0;
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.about-lead {
    font-size: 1.15rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.about-text p {
    margin-bottom: var(--space-lg);
    color: var(--color-gray-500);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 500;
    color: var(--color-primary);
    font-size: 0.9rem;
}

.about-feature i {
    color: var(--color-accent);
    font-size: 1rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.stat-card {
    --tilt-x: 0deg;
    --tilt-y: 0deg;
    --lift: 0px;
    background: var(--color-primary);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    transform: perspective(1000px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(var(--lift));
    transform-style: preserve-3d;
    will-change: transform;
}

.stat-card:hover {
    --lift: -5px;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
}

.stat-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-white);
    display: inline;
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    display: inline;
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--space-xs);
    font-weight: 500;
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services {
    padding: var(--space-5xl) 0;
    background: var(--color-gray-100);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.service-card {
    --tilt-x: 0deg;
    --tilt-y: 0deg;
    --lift: 0px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    box-shadow: var(--shadow-sm);
    transform: perspective(1000px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(var(--lift));
    transform-style: preserve-3d;
    will-change: transform;
}

.service-card:hover {
    --lift: -8px;
    box-shadow: var(--shadow-lg);
}

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

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(26, 26, 46, 0.4));
}

.service-content {
    padding: var(--space-xl);
}

.service-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    margin-top: -40px;
    position: relative;
    box-shadow: var(--shadow-gold);
}

.service-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
}

.service-content p {
    font-size: 0.9rem;
    color: var(--color-gray-400);
    line-height: 1.7;
}

/* Last two service cards — span full row */
.services-grid .service-card:nth-child(4),
.services-grid .service-card:nth-child(5) {
    /* They'll naturally flow into the second row */
}

/* ========================================
   PROCESS SECTION
   ======================================== */
.process {
    padding: var(--space-5xl) 0;
    background: var(--color-primary);
}

.process .section-tag {
    border-color: rgba(201, 168, 76, 0.4);
}

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

.process-grid {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: var(--space-lg);
}

.process-card {
    --tilt-x: 0deg;
    --tilt-y: 0deg;
    --lift: 0px;
    flex: 1;
    max-width: 320px;
    background: var(--color-dark-card);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
    transform: perspective(1000px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(var(--lift));
    transform-style: preserve-3d;
    will-change: transform;
}

.process-card:hover {
    border-color: rgba(201, 168, 76, 0.3);
    --lift: -5px;
}

@media (prefers-reduced-motion: reduce) {

    .btn,
    .service-card,
    .process-card,
    .stat-card {
        transition: none;
        animation: none;
        transform: none;
    }
}

.process-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 900;
    color: rgba(201, 168, 76, 0.1);
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    line-height: 1;
}

.process-icon {
    width: 60px;
    height: 60px;
    background: rgba(201, 168, 76, 0.15);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    font-size: 1.3rem;
    color: var(--color-accent);
}

.process-card h3 {
    font-size: 1.2rem;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.process-card p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

.process-connector {
    display: flex;
    align-items: center;
    color: var(--color-accent);
    font-size: 1.2rem;
    opacity: 0.4;
}

/* ========================================
   PROJECTS SECTION
   ======================================== */
.projects {
    padding: var(--space-5xl) 0;
    background: var(--color-white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

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

.project-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13, 13, 26, 0.9) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-xl);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.project-info {
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.project-card:hover .project-info {
    transform: translateY(0);
}

.project-category {
    display: inline-block;
    padding: 0.25rem 0.8rem;
    background: var(--color-accent);
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

.project-info h3 {
    color: var(--color-white);
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
}

.project-info p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

/* ========================================
   REVIEWS SECTION
   ======================================== */
.reviews {
    padding: var(--space-5xl) 0;
    background: var(--color-gray-100);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.review-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.review-stars {
    display: flex;
    gap: 0.2rem;
    margin-bottom: var(--space-lg);
}

.review-stars i {
    color: #f39c12;
    font-size: 0.95rem;
}

.review-text {
    font-size: 0.95rem;
    color: var(--color-gray-500);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.review-avatar {
    font-size: 2.5rem;
    color: var(--color-gray-300);
}

.review-author h4 {
    font-size: 0.95rem;
    color: var(--color-primary);
    font-weight: 600;
}

.review-author span {
    font-size: 0.8rem;
    color: var(--color-gray-400);
}

.review-google {
    position: absolute;
    top: var(--space-xl);
    right: var(--space-xl);
    font-size: 0.75rem;
    color: var(--color-gray-300);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.review-google i {
    font-size: 1rem;
    color: #4285f4;
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact {
    padding: var(--space-5xl) 0;
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3xl);
    align-items: stretch;
}

.contact-form-wrapper {
    height: 100%;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    height: 100%;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-gray-600);
    background: var(--color-gray-100);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    background: var(--color-white);
    box-shadow: 0 0 0 4px rgba(201, 168, 76, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-300);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23807f7a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1rem;
}

.form-success {
    display: none;
    text-align: center;
    padding: var(--space-3xl);
}

.form-success.show {
    display: block;
    animation: fadeInUp 0.5s ease;
}

.form-success i {
    font-size: 3rem;
    color: var(--color-success);
    margin-bottom: var(--space-lg);
}

.form-success h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.form-success p {
    color: var(--color-gray-400);
}

/* Contact Info */
.contact-info {
    height: 100%;
}

.contact-info-card {
    background: var(--color-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.info-item {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-item:first-child {
    padding-top: 0;
}

.info-icon {
    width: 45px;
    height: 45px;
    background: rgba(201, 168, 76, 0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 1rem;
    flex-shrink: 0;
}

.info-item h4 {
    color: var(--color-white);
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
}

.info-item p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    line-height: 1.6;
}

.info-item a {
    color: var(--color-accent);
}

.info-item a:hover {
    color: var(--color-accent-light);
}

.contact-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--color-dark);
    padding: var(--space-4xl) 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    margin-bottom: var(--space-lg);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-accent);
    color: var(--color-primary);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
    color: var(--color-white);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--space-xl);
    letter-spacing: 0.5px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 5px;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.footer-contact i {
    color: var(--color-accent);
    margin-top: 3px;
    font-size: 0.85rem;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.5);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xl) 0;
}

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

.footer-bottom i {
    color: var(--color-danger);
}

/* ========================================
   WHATSAPP FLOATING BUTTON
   ======================================== */
.whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transition-base);
    animation: pulse 2s ease infinite;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--color-white);
    color: var(--color-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.whatsapp-btn:hover .whatsapp-tooltip {
    opacity: 1;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }

    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
}

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 6rem;
    width: 45px;
    height: 45px;
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 1rem;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

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

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

/* ========================================
   SCROLL REVEAL ANIMATIONS
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
}

@media (max-width: 768px) {
    :root {
        --navbar-height: 70px;
        --container-padding: 1.2rem;
    }

    /* Mobile Nav */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-primary);
        flex-direction: column;
        justify-content: center;
        padding: var(--space-2xl);
        gap: var(--space-xl);
        transition: right var(--transition-base);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    }

    .nav-menu.open {
        right: 0;
    }

    .nav-menu .nav-link {
        font-size: 1.2rem;
    }

    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    /* Hero */
    .hero-content {
        margin-left: var(--container-padding);
        padding-right: var(--container-padding);
    }

    .hero-title-line {
        font-size: clamp(2rem, 8vw, 3rem);
    }

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

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

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

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

    /* Process */
    .process-grid {
        flex-direction: column;
        align-items: center;
    }

    .process-connector {
        transform: rotate(90deg);
    }

    .process-card {
        max-width: 100%;
    }

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

    /* Reviews */
    .reviews-grid {
        grid-template-columns: 1fr;
    }

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

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }

    /* WhatsApp & Back to top */
    .whatsapp-btn {
        width: 55px;
        height: 55px;
        font-size: 1.5rem;
        bottom: 1.5rem;
        right: 1.5rem;
    }

    .whatsapp-tooltip {
        display: none;
    }

    .back-to-top {
        right: 5rem;
        bottom: 1.5rem;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .about-features {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr 1fr;
    }

    .stat-card {
        padding: var(--space-lg);
    }

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

    .project-image {
        height: 220px;
    }

    .service-image {
        height: 160px;
    }
}

/* Mobile nav overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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