/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
    --charcoal: #2D2D2D;
    --charcoal-light: #4A4A4A;
    --charcoal-dark: #1A1A1A;
    --coral: #E87461;
    --coral-light: #F4A08F;
    --coral-lighter: #FDDDD5;
    --coral-dark: #D45D4A;
    --cream: #FFFAF7;
    --cream-dark: #F5EDE8;
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #EEEEEE;
    --gray-300: #E0E0E0;
    --gray-400: #BDBDBD;
    --gray-500: #9E9E9E;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    
    --font-heading: 'Quicksand', sans-serif;
    --font-body: 'Nunito', sans-serif;
    
    --shadow-sm: 0 1px 3px rgba(45, 45, 45, 0.06), 0 1px 2px rgba(45, 45, 45, 0.04);
    --shadow-md: 0 4px 16px rgba(45, 45, 45, 0.08), 0 2px 6px rgba(45, 45, 45, 0.04);
    --shadow-lg: 0 12px 40px rgba(45, 45, 45, 0.12), 0 4px 12px rgba(45, 45, 45, 0.06);
    --shadow-coral: 0 8px 24px rgba(232, 116, 97, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--charcoal);
    background-color: var(--cream);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

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

.main-content {
    margin-left: 80px;
    min-height: 100vh;
}

.section {
    padding: 100px 0;
    position: relative;
}

/* ============================================
   Side Navigation
   ============================================ */
.side-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 80px;
    height: 100vh;
    background: var(--charcoal);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px 0;
    z-index: 1000;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
}

.side-nav__brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 32px;
}

.side-nav__logo {
    margin-bottom: 8px;
    transition: var(--transition);
}

.side-nav__logo:hover {
    transform: rotate(10deg) scale(1.05);
}

.side-nav__name {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    color: var(--gray-400);
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 12px;
}

.side-nav__links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.side-nav__link {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--gray-500);
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    width: 56px;
    justify-content: center;
    transition: var(--transition);
    position: relative;
}

.side-nav__link svg {
    flex-shrink: 0;
}

.side-nav__link:hover,
.side-nav__link.active {
    color: var(--white);
    background: rgba(232, 116, 97, 0.15);
}

.side-nav__link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--coral);
    border-radius: 0 4px 4px 0;
}

.side-nav__contact-mini {
    padding-bottom: 16px;
}

.side-nav__mini-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--gray-600);
    font-size: 10px;
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.side-nav__mini-link:hover {
    color: var(--coral-light);
    background: rgba(232, 116, 97, 0.1);
}

/* ============================================
   Mobile Toggle
   ============================================ */
.mobile-toggle {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1100;
    width: 44px;
    height: 44px;
    background: var(--charcoal);
    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-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

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

.mobile-toggle.open span:nth-child(2) {
    opacity: 0;
}

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

.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    backdrop-filter: blur(4px);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-xl);
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

.btn-coral {
    background: var(--coral);
    color: var(--white);
    border-color: var(--coral);
    box-shadow: var(--shadow-coral);
}

.btn-coral:hover {
    background: var(--coral-dark);
    border-color: var(--coral-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(232, 116, 97, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--charcoal);
    border-color: var(--charcoal);
}

.btn-outline:hover {
    background: var(--charcoal);
    color: var(--white);
    transform: translateY(-2px);
}

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

.btn-outline-light:hover {
    background: var(--white);
    color: var(--charcoal);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn-coral-light {
    background: var(--coral-light);
    color: var(--white);
    border-color: var(--coral-light);
    box-shadow: 0 8px 24px rgba(244, 160, 143, 0.4);
}

.btn-coral-light:hover {
    background: var(--coral);
    border-color: var(--coral);
    transform: translateY(-2px);
}

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

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    margin-bottom: 60px;
}

.section-header--center {
    text-align: center;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--coral);
    margin-bottom: 16px;
    background: var(--coral-lighter);
    padding: 6px 14px;
    border-radius: var(--radius-xl);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--charcoal);
    margin-bottom: 16px;
}

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

.section-subtitle {
    font-size: 1.1rem;
    color: var(--charcoal-light);
    line-height: 1.8;
    max-width: 600px;
}

.text-coral {
    color: var(--coral);
}

.text-coral-light {
    color: var(--coral-light);
}

.lead {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--charcoal-light);
    margin-bottom: 24px;
}

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 60px 0;
    background: linear-gradient(135deg, var(--cream) 0%, var(--cream-dark) 50%, var(--coral-lighter) 100%);
    overflow: hidden;
    position: relative;
}

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

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--coral);
    top: -200px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--charcoal);
    bottom: -100px;
    left: 10%;
    animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--coral-light);
    top: 30%;
    left: 40%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -20px) scale(1.02); }
    66% { transform: translate(-10px, 15px) scale(0.98); }
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--coral);
    background: rgba(232, 116, 97, 0.12);
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--charcoal-dark);
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--charcoal-light);
    margin-bottom: 36px;
    max-width: 520px;
}

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

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--charcoal-dark);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--gray-300);
}

.hero-visual {
    position: relative;
}

.hero-image-main {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-image-main img {
    width: 100%;
    height: 620px;
    object-fit: cover;
}

.hero-image-overlay {
    position: absolute;
    bottom: 24px;
    left: 24px;
    right: 24px;
}

.hero-floating-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.floating-icon {
    width: 44px;
    height: 44px;
    background: var(--coral-lighter);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--coral);
    flex-shrink: 0;
}

.hero-floating-card strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    color: var(--charcoal);
}

.hero-floating-card span {
    font-size: 12px;
    color: var(--gray-600);
}

.hero-image-secondary {
    position: absolute;
    bottom: -30px;
    right: -30px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--white);
}

.hero-image-secondary img {
    width: 300px;
    height: 200px;
    object-fit: cover;
}

/* ============================================
   CENTRO
   ============================================ */
.center {
    background: var(--white);
}

.center-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.center-values {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 36px;
}

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

.value-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--white);
}

.value-icon--1 {
    background: linear-gradient(135deg, var(--coral), var(--coral-light));
}

.value-icon--2 {
    background: linear-gradient(135deg, var(--charcoal), var(--charcoal-light));
}

.value-icon--3 {
    background: linear-gradient(135deg, var(--coral-dark), var(--coral));
}

.value-card h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 4px;
}

.value-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.center-visual {
    position: relative;
}

.center-img-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: end;
}

.center-img-grid img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.center-img-grid img:nth-child(2) {
    height: 240px;
    margin-top: 40px;
}

.center-img-accent {
    background: linear-gradient(135deg, var(--coral), var(--coral-dark));
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    color: var(--white);
    text-align: center;
    box-shadow: var(--shadow-coral);
}

.accent-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 4px;
}

.accent-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.accent-desc {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 8px;
}

/* ============================================
   PROYECTO EDUCATIVO
   ============================================ */
.proyecto {
    background: linear-gradient(180deg, var(--cream) 0%, var(--cream-dark) 100%);
}

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

.proyecto-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.proyecto-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--coral), var(--coral-light));
    opacity: 0;
    transition: var(--transition);
}

.proyecto-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.proyecto-card:hover::before {
    opacity: 1;
}

.proyecto-card__number {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--gray-300);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
}

.proyecto-card__icon {
    width: 56px;
    height: 56px;
    background: var(--coral-lighter);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--coral);
    margin-bottom: 20px;
    transition: var(--transition);
}

.proyecto-card:hover .proyecto-card__icon {
    background: var(--coral);
    color: var(--white);
}

.proyecto-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 10px;
}

.proyecto-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ============================================
   SERVICIOS
   ============================================ */
.servicios {
    background: var(--white);
}

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

.servicio-item {
    background: var(--cream);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.servicio-item:hover {
    background: var(--white);
    border-color: var(--coral-lighter);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.servicio-item__icon {
    width: 60px;
    height: 60px;
    background: var(--white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.servicio-item:hover .servicio-item__icon {
    background: var(--coral-lighter);
}

.servicio-item h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 10px;
}

.servicio-item p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ============================================
   INSTALACIONES
   ============================================ */
.instalaciones {
    background: linear-gradient(180deg, var(--cream-dark) 0%, var(--cream) 100%);
}

.instalaciones-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.instalacion-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    group: true;
}

.instalacion-item img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.instalacion-item__info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 32px 24px 24px;
    background: linear-gradient(to top, rgba(45, 45, 45, 0.85) 0%, transparent 100%);
    color: var(--white);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.instalacion-item:hover .instalacion-item__info {
    transform: translateY(0);
    opacity: 1;
}

.instalacion-item__info h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.instalacion-item__info p {
    font-size: 0.9rem;
    opacity: 0.85;
    line-height: 1.6;
}

/* ============================================
   CTA
   ============================================ */
.cta {
    background: linear-gradient(135deg, var(--charcoal-dark) 0%, var(--charcoal) 50%, var(--charcoal-light) 100%);
    padding: 80px 0;
}

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

.cta-text {
    flex: 1;
}

.cta-text .section-tag {
    background: rgba(232, 116, 97, 0.2);
}

.cta-text .section-title {
    margin-bottom: 16px;
}

.cta-text p {
    font-size: 1.05rem;
    color: var(--gray-400);
    line-height: 1.8;
    max-width: 500px;
}

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

/* ============================================
   CONTACTO
   ============================================ */
.contacto {
    background: var(--white);
}

.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contacto-datos {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin: 36px 0;
}

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

.dato-icon {
    width: 48px;
    height: 48px;
    background: var(--coral-lighter);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--coral);
    flex-shrink: 0;
}

.dato-item strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--charcoal);
    margin-bottom: 4px;
}

.dato-item p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.dato-item a {
    color: var(--coral);
    font-weight: 600;
}

.dato-item a:hover {
    color: var(--coral-dark);
    text-decoration: underline;
}

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

/* Form */
.contacto-form-wrapper {
    position: sticky;
    top: 40px;
}

.contacto-form-card {
    background: var(--cream);
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    box-shadow: var(--shadow-md);
}

.contacto-form-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--charcoal);
    margin-bottom: 6px;
}

.form-subtitle {
    font-size: 0.9rem;
    color: var(--gray-500);
    margin-bottom: 28px;
}

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

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--charcoal);
    background: var(--white);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--coral);
    box-shadow: 0 0 0 4px rgba(232, 116, 97, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

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

.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

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

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

.form-success h4 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--charcoal);
    margin-bottom: 8px;
}

.form-success p {
    font-size: 0.95rem;
    color: var(--gray-600);
}

.contacto-form.hidden {
    display: none;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--charcoal-dark);
    color: var(--gray-400);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo span {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--gray-500);
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--white);
    margin-bottom: 20px;
}

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

.footer-links a {
    font-size: 0.9rem;
    color: var(--gray-500);
}

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

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--gray-500);
}

.footer-contact svg {
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--coral);
}

.footer-contact a {
    color: var(--gray-500);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 0.85rem;
    color: var(--gray-600);
}

/* ============================================
   Scroll Animations
   ============================================ */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .main-content {
        margin-left: 0;
    }
    
    .side-nav {
        transform: translateX(-100%);
        transition: var(--transition);
    }
    
    .side-nav.open {
        transform: translateX(0);
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .mobile-overlay.open {
        display: block;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .hero-image-secondary {
        right: 0;
    }
    
    .center-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .center-visual {
        order: -1;
    }
    
    .proyecto-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .servicios-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contacto-grid {
        grid-template-columns: 1fr;
    }
    
    .contacto-form-wrapper {
        position: static;
    }
    
    .cta-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-actions {
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .hero {
        min-height: auto;
        padding: 100px 0 70px;
    }
    
    .hero-image-main img {
        height: 400px;
    }
    
    .hero-image-secondary {
        display: none;
    }
    
    .hero-floating-card {
        display: none;
    }
    
    .proyecto-cards {
        grid-template-columns: 1fr;
    }
    
    .servicios-grid {
        grid-template-columns: 1fr;
    }
    
    .instalaciones-grid {
        grid-template-columns: 1fr;
    }
    
    .instalacion-item img {
        height: 280px;
    }
    
    .instalacion-item__info {
        opacity: 1;
        transform: translateY(0);
    }
    
    .center-img-grid {
        grid-template-columns: 1fr;
    }
    
    .center-img-grid img:nth-child(2) {
        margin-top: 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    
    .cta-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-actions .btn {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .contacto-form-card {
        padding: 28px 20px;
    }
}