/* ============================================
   Electro Levante S.L. — Custom Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
    --emerald-50: #ecfdf5;
    --emerald-100: #d1fae5;
    --emerald-200: #a7f3d0;
    --emerald-300: #6ee7b7;
    --emerald-400: #34d399;
    --emerald-500: #10b981;
    --emerald-600: #059669;
    --emerald-700: #047857;
    --emerald-800: #065f46;
    --emerald-900: #064e3b;
    --emerald-950: #022c22;
    --cream-50: #fefdf8;
    --cream-100: #fefce8;
    --cream-200: #fef9c3;
    --cream-300: #fef08a;
    
    --side-nav-width: 88px;
    --side-nav-width-expanded: 260px;
    
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --shadow-sm: 0 1px 3px rgba(2, 44, 34, 0.08);
    --shadow-md: 0 4px 20px rgba(2, 44, 34, 0.1);
    --shadow-lg: 0 8px 40px rgba(2, 44, 34, 0.15);
    --shadow-xl: 0 16px 60px rgba(2, 44, 34, 0.2);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 20px;
}

body {
    font-family: var(--font-body);
    background-color: var(--cream-50);
    color: var(--emerald-950);
    line-height: 1.6;
    -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;
}

ul {
    list-style: none;
}

/* --- Side Navigation --- */
.side-nav {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: var(--side-nav-width);
    background: var(--emerald-950);
    z-index: 100;
    display: flex;
    align-items: flex-start;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.side-nav:hover {
    width: var(--side-nav-width-expanded);
}

.side-nav-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: 24px 0;
    height: 100%;
}

.side-nav-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: 32px;
    width: 100%;
    padding: 0 12px;
    cursor: pointer;
    transition: opacity 0.3s;
}

.side-nav:hover .side-nav-logo {
    align-items: flex-start;
    padding: 0 20px;
}

.side-nav-logo-icon {
    flex-shrink: 0;
}

.side-nav-logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 13px;
    color: var(--cream-100);
    text-align: center;
    line-height: 1.3;
    opacity: 0;
    white-space: nowrap;
    transition: opacity 0.3s ease 0.1s;
}

.side-nav:hover .side-nav-logo-text {
    opacity: 1;
}

.side-nav-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
    flex: 1;
    padding: 0 12px;
}

.side-nav-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    color: var(--emerald-300);
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
    position: relative;
}

.side-nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--emerald-400);
    border-radius: 0 4px 4px 0;
    transition: height 0.3s ease;
}

.side-nav-link:hover,
.side-nav-link.active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--emerald-200);
}

.side-nav-link.active::before {
    height: 24px;
}

.side-nav-link-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.side-nav-link span {
    opacity: 0;
    transition: opacity 0.3s ease 0.05s;
}

.side-nav:hover .side-nav-link span {
    opacity: 1;
}

.side-nav-footer {
    padding: 0 12px;
    width: 100%;
    border-top: 1px solid rgba(110, 231, 183, 0.15);
    margin-top: auto;
    padding-top: 20px;
}

.side-nav-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--emerald-400);
    font-size: 12px;
    font-weight: 500;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    transition: background 0.3s;
    white-space: nowrap;
    overflow: hidden;
}

.side-nav-phone span {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.side-nav:hover .side-nav-phone span {
    opacity: 1;
}

.side-nav-phone:hover {
    background: rgba(16, 185, 129, 0.15);
}

.side-nav-copy {
    font-size: 10px;
    color: var(--emerald-700);
    text-align: center;
    padding: 12px 14px;
    white-space: nowrap;
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.3s ease 0.1s;
}

.side-nav:hover .side-nav-copy {
    opacity: 1;
}

/* --- Main Content --- */
.main-content {
    margin-left: var(--side-nav-width);
    transition: margin-left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Section Base --- */
.section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--emerald-100);
    color: var(--emerald-700);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 20px;
}

.section-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--emerald-500);
    border-radius: 50%;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--emerald-950);
    margin-bottom: 20px;
}

.section-title-accent {
    color: var(--emerald-600);
    position: relative;
}

.section-title-accent::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 6px;
    background: var(--emerald-200);
    border-radius: 3px;
    z-index: -1;
}

.section-description {
    font-size: 1.125rem;
    color: var(--emerald-800);
    line-height: 1.7;
    opacity: 0.8;
}

/* --- Buttons --- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--emerald-700);
    color: var(--cream-50);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    padding: 16px 28px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(4, 120, 87, 0.3);
}

.btn-primary:hover {
    background: var(--emerald-600);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(4, 120, 87, 0.4);
}

.btn-primary-light {
    background: var(--cream-50);
    color: var(--emerald-950);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn-primary-light:hover {
    background: var(--cream-100);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: var(--emerald-950);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    padding: 16px 28px;
    border-radius: var(--radius-md);
    border: 2px solid var(--emerald-300);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--emerald-100);
    border-color: var(--emerald-500);
    transform: translateY(-2px);
}

.btn-text {
    background: none;
    border: none;
    color: var(--emerald-600);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    padding: 0;
    transition: color 0.3s;
}

.btn-text:hover {
    color: var(--emerald-800);
    text-decoration: underline;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 60px 0;
    background: var(--cream-50);
    position: relative;
}

/* Geometric decorative shapes */
.hero-shape {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.hero-shape-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--emerald-100) 0%, transparent 70%);
    top: -150px;
    right: -100px;
    opacity: 0.6;
}

.hero-shape-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--emerald-200) 0%, transparent 70%);
    bottom: 10%;
    left: 5%;
    opacity: 0.4;
}

.hero-shape-3 {
    width: 150px;
    height: 150px;
    background: var(--emerald-300);
    top: 20%;
    right: 15%;
    opacity: 0.15;
    border-radius: var(--radius-lg);
    transform: rotate(45deg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--emerald-100);
    color: var(--emerald-800);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.04em;
    padding: 10px 18px;
    border-radius: 50px;
    margin-bottom: 28px;
    border: 1px solid var(--emerald-200);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--emerald-500);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5.5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.08;
    color: var(--emerald-950);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-title-accent {
    color: var(--emerald-600);
    position: relative;
    display: inline-block;
}

.hero-title-accent::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: -4px;
    right: -4px;
    height: 10px;
    background: var(--emerald-200);
    border-radius: 4px;
    z-index: -1;
}

.hero-description {
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    color: var(--emerald-800);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 600px;
    opacity: 0.85;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 64px;
}

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

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--emerald-700);
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--emerald-600);
    opacity: 0.8;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: var(--emerald-200);
}

/* Hero Image Grid */
.hero-image-grid {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 42%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 2px;
    overflow: hidden;
}

.hero-image-item {
    overflow: hidden;
    position: relative;
}

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

.hero-image-item:hover img {
    transform: scale(1.05);
}

.hero-image-item-1 {
    grid-row: 1 / 3;
}

.hero-image-item-2 {
    grid-column: 2;
}

.hero-image-item-3 {
    grid-column: 2;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-section {
    background: var(--cream-50);
}

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

.service-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid var(--emerald-100);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--emerald-200);
}

.service-card-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.service-card-1 .service-card-accent { background: linear-gradient(90deg, var(--emerald-500), var(--emerald-400)); }
.service-card-2 .service-card-accent { background: linear-gradient(90deg, var(--emerald-600), var(--emerald-500)); }
.service-card-3 .service-card-accent { background: linear-gradient(90deg, var(--emerald-700), var(--emerald-600)); }
.service-card-4 .service-card-accent { background: linear-gradient(90deg, var(--emerald-400), var(--emerald-300)); }
.service-card-5 .service-card-accent { background: linear-gradient(90deg, var(--emerald-800), var(--emerald-700)); }
.service-card-6 .service-card-accent { background: linear-gradient(90deg, var(--emerald-300), var(--emerald-200)); }

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

.service-card-icon {
    width: 56px;
    height: 56px;
    background: var(--emerald-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--emerald-700);
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.service-card:hover .service-card-icon {
    background: var(--emerald-700);
    color: var(--cream-50);
    transform: scale(1.05);
}

.service-card-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--emerald-950);
    margin-bottom: 12px;
}

.service-card-desc {
    font-size: 0.95rem;
    color: var(--emerald-800);
    line-height: 1.65;
    margin-bottom: 20px;
    opacity: 0.85;
}

.service-card-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-card-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--emerald-800);
}

.service-card-list li::before {
    content: '';
    width: 5px;
    height: 5px;
    background: var(--emerald-400);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-section {
    background: var(--emerald-950);
    color: var(--cream-50);
}

.about-section .section-tag {
    background: rgba(16, 185, 129, 0.2);
    color: var(--emerald-300);
}

.about-section .section-tag::before {
    background: var(--emerald-400);
}

.about-section .section-title {
    color: var(--cream-50);
}

.about-section .section-title-accent {
    color: var(--emerald-400);
}

.about-section .section-title-accent::after {
    background: rgba(110, 231, 183, 0.3);
}

.about-section .section-description {
    color: var(--emerald-200);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image-decor {
    position: absolute;
    width: 120px;
    height: 120px;
    background: var(--emerald-700);
    border-radius: var(--radius-lg);
    top: -20px;
    right: -20px;
    z-index: 0;
    opacity: 0.5;
}

.about-image {
    width: 100%;
    height: 700px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-xl);
}

.about-floating-card {
    position: absolute;
    bottom: 40px;
    left: -30px;
    background: var(--cream-50);
    color: var(--emerald-950);
    padding: 20px 24px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 2;
    box-shadow: var(--shadow-lg);
}

.about-floating-icon {
    width: 48px;
    height: 48px;
    background: var(--emerald-100);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--emerald-700);
    flex-shrink: 0;
}

.about-floating-number {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--emerald-700);
    line-height: 1;
}

.about-floating-label {
    font-size: 0.85rem;
    color: var(--emerald-600);
}

.about-content-col {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-text {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--emerald-200);
    opacity: 0.9;
}

.about-text strong {
    color: var(--cream-50);
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 8px;
}

.about-value {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.about-value-icon {
    width: 40px;
    height: 40px;
    background: rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--emerald-400);
    flex-shrink: 0;
}

.about-value strong {
    display: block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    color: var(--cream-50);
    margin-bottom: 2px;
}

.about-value span {
    font-size: 0.9rem;
    color: var(--emerald-300);
    opacity: 0.8;
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-section {
    background: var(--cream-50);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 80px;
}

.project-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--emerald-100);
    transition: all 0.4s ease;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.project-card-image {
    position: relative;
    overflow: hidden;
    height: 240px;
}

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

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

.project-card-overlay {
    position: absolute;
    top: 16px;
    right: 16px;
}

.project-card-tag {
    background: var(--emerald-700);
    color: var(--cream-50);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 12px;
    padding: 6px 14px;
    border-radius: 50px;
    letter-spacing: 0.03em;
}

.project-card-info {
    padding: 24px;
}

.project-card-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--emerald-950);
    margin-bottom: 10px;
}

.project-card-desc {
    font-size: 0.9rem;
    color: var(--emerald-800);
    line-height: 1.65;
    opacity: 0.85;
}

/* CTA Banner */
.projects-cta {
    background: var(--emerald-700);
    border-radius: var(--radius-xl);
    padding: 56px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    position: relative;
    overflow: hidden;
}

.projects-cta-shape {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(254, 252, 232, 0.08) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    border-radius: 50%;
}

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

.projects-cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--cream-50);
    margin-bottom: 12px;
}

.projects-cta-text {
    font-size: 1.05rem;
    color: var(--emerald-200);
    max-width: 500px;
    line-height: 1.65;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    background: var(--cream-100);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info-desc {
    font-size: 1.05rem;
    color: var(--emerald-800);
    line-height: 1.7;
    margin-bottom: 40px;
    opacity: 0.85;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 32px;
}

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

.contact-detail-icon {
    width: 48px;
    height: 48px;
    background: var(--emerald-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--emerald-700);
    flex-shrink: 0;
}

.contact-detail strong {
    display: block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--emerald-950);
    margin-bottom: 4px;
}

.contact-detail p {
    font-size: 0.9rem;
    color: var(--emerald-700);
    line-height: 1.5;
}

.contact-detail-link {
    color: var(--emerald-700);
    transition: color 0.3s;
}

.contact-detail-link:hover {
    color: var(--emerald-500);
    text-decoration: underline;
}

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

/* Contact Form */
.contact-form-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--emerald-100);
}

.contact-form-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--emerald-950);
    margin-bottom: 8px;
}

.contact-form-subtitle {
    font-size: 0.95rem;
    color: var(--emerald-700);
    margin-bottom: 32px;
    opacity: 0.8;
}

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

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

.form-label {
    display: block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--emerald-900);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--emerald-100);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--emerald-950);
    background: var(--cream-50);
    transition: all 0.3s ease;
    outline: none;
}

.form-input:focus {
    border-color: var(--emerald-500);
    background: white;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

.form-input::placeholder {
    color: var(--emerald-400);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23047857' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
    cursor: pointer;
}

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

/* Checkbox */
.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--emerald-800);
    line-height: 1.5;
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--emerald-600);
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 1px;
}

.btn-submit {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--emerald-700);
    color: var(--cream-50);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    padding: 16px 28px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(4, 120, 87, 0.3);
}

.btn-submit:hover {
    background: var(--emerald-600);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(4, 120, 87, 0.4);
}

/* Form Success */
.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success-icon {
    width: 72px;
    height: 72px;
    background: var(--emerald-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--emerald-600);
    margin: 0 auto 20px;
}

.form-success-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--emerald-950);
    margin-bottom: 10px;
}

.form-success-text {
    font-size: 0.95rem;
    color: var(--emerald-700);
    margin-bottom: 24px;
}

.hidden {
    display: none !important;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--emerald-950);
    color: var(--cream-50);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--cream-50);
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--emerald-300);
    line-height: 1.7;
    opacity: 0.8;
    max-width: 280px;
}

.footer-heading {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--emerald-400);
    margin-bottom: 20px;
}

.footer-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-list a {
    font-size: 0.9rem;
    color: var(--emerald-300);
    opacity: 0.7;
    transition: all 0.3s;
}

.footer-list a:hover {
    color: var(--cream-50);
    opacity: 1;
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--emerald-300);
    opacity: 0.8;
    line-height: 1.6;
    transition: opacity 0.3s;
}

.footer-contact-item:hover {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(110, 231, 183, 0.15);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: var(--emerald-600);
}

/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-menu-overlay {
    transition: opacity 0.3s ease;
}

.mobile-menu-content {
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

.mobile-menu-bg {
    animation: fadeIn 0.3s ease;
}

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

.mobile-nav-link {
    position: relative;
    z-index: 1;
}

/* Mobile hamburger */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 90;
    width: 48px;
    height: 48px;
    background: var(--emerald-950);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    box-shadow: var(--shadow-md);
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--cream-50);
    border-radius: 2px;
    transition: all 0.3s ease;
}

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

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

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

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

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
    .hero-image-grid {
        width: 38%;
    }
}

@media (max-width: 1024px) {
    :root {
        --side-nav-width: 64px;
        --side-nav-width-expanded: 220px;
    }
    
    .side-nav-link span {
        opacity: 0;
    }
    
    .side-nav:hover .side-nav-link span {
        opacity: 1;
    }
    
    .side-nav-logo-text {
        opacity: 0;
    }
    
    .side-nav:hover .side-nav-logo-text {
        opacity: 1;
    }
    
    .side-nav-phone span {
        opacity: 0;
    }
    
    .side-nav:hover .side-nav-phone span {
        opacity: 1;
    }
    
    .side-nav-copy {
        opacity: 0;
    }
    
    .side-nav:hover .side-nav-copy {
        opacity: 1;
    }
    
    .hero-image-grid {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid .project-card:last-child {
        grid-column: span 2;
        max-width: 50%;
        margin: 0 auto;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-image {
        height: 500px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .side-nav {
        width: 0;
        transform: translateX(-100%);
    }
    
    .side-nav.mobile-open {
        width: var(--side-nav-width-expanded);
        transform: translateX(0);
    }
    
    .side-nav.mobile-open .side-nav-link span,
    .side-nav.mobile-open .side-nav-logo-text,
    .side-nav.mobile-open .side-nav-phone span,
    .side-nav.mobile-open .side-nav-copy {
        opacity: 1;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .section {
        padding: 72px 0;
    }
    
    .hero-section {
        min-height: auto;
        padding: 100px 0 72px;
    }
    
    .hero-title {
        font-size: clamp(2rem, 7vw, 3rem);
    }
    
    .hero-stats {
        gap: 20px;
    }
    
    .hero-stat-number {
        font-size: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid .project-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }
    
    .projects-cta {
        flex-direction: column;
        text-align: center;
        padding: 40px 28px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form-card {
        padding: 28px;
    }
    
    .about-floating-card {
        left: 10px;
        bottom: 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-cta-group {
        flex-direction: column;
    }
    
    .hero-cta-group a {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .hero-stat-divider {
        display: none;
    }
}