/* =====================================================
   VARIABLES Y RESET
   ===================================================== */

:root {
    --color-primary: #0f172a;        /* Azul marino oscuro */
    --color-secondary: #ffffff;      /* Blanco */
    --color-accent: #2563eb;         /* Azul tecnológico */
    --color-accent-alt: #14b8a6;     /* Verde azulado */
    --color-text: #111827;           /* Gris oscuro */
    --color-text-light: #64748b;     /* Gris claro */
    --color-bg: #f8fafc;             /* Fondo muy claro */
    --color-border: #e2e8f0;         /* Borde sutil */
    --color-success: #10b981;
    --color-error: #ef4444;
    
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    color: var(--color-text);
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    line-height: 1.6;
    overflow-x: hidden;
}

/* =====================================================
   UTILIDADES
   ===================================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    font-family: var(--font-primary);
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-alt));
    border-radius: 2px;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.25rem;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: var(--color-bg);
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-1px);
}

.btn-whatsapp {
    background-color: #25d366;
    color: var(--color-secondary);
    border: none;
}

.btn-whatsapp:hover {
    background-color: #20ba5a;
    transform: translateY(-2px);
}

/* =====================================================
   WATERMARK BACKGROUND
   ===================================================== */

.watermark-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg width="1000" height="1000" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="pattern" x="0" y="0" width="300" height="300" patternUnits="userSpaceOnUse"><path d="M 50 50 L 250 50 L 200 250 L 0 250 Z" fill="none" stroke="%23e5e7eb" stroke-width="30" opacity="0.15"/><path d="M 100 100 L 300 100 L 250 300 L 0 300 Z" fill="none" stroke="%23e5e7eb" stroke-width="30" opacity="0.15"/></pattern></defs><rect width="100%" height="100%" fill="white"/><rect width="100%" height="100%" fill="url(%23pattern)"/></svg>');
    background-attachment: fixed;
    pointer-events: none;
    z-index: 0;
}

body > * {
    position: relative;
    z-index: 1;
}

/* =====================================================
   HEADER Y NAVEGACIÓN
   ===================================================== */

.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03);
}

.navbar {
    padding: var(--spacing-md) 0;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    flex-shrink: 0;
}

.logo-img {
    height: 75px;
    width: auto;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    font-family: var(--font-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition);
}

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

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

.navbar-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.navbar-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* =====================================================
   HERO SECTION
   ===================================================== */

.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: var(--spacing-2xl) 0;
    min-height: calc(100vh - 80px);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    grid-column: 1;
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-size: 3.3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.15;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-primary);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    max-width: 520px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-visual {
    grid-column: 2;
    padding: 0 var(--spacing-md);
}

.hero-shape {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, #0f172a 0%, #2563eb 100%);
    border-radius: 1.5rem;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.hero-svg {
    width: 100%;
    height: auto;
    max-width: 620px;
    border-radius: 1.25rem;
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.24);
}

.hero-shape::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
    background-size: 28px 28px;
    opacity: 0.35;
}

.hero-panel {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.24);
    backdrop-filter: blur(10px);
}

.hero-panel-header {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: rgba(255, 255, 255, 0.92);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.hero-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
}

.hero-panel-label {
    margin-left: auto;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    opacity: 0.9;
}

.hero-panel-body {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 0.8rem;
    flex: 1;
}

.hero-card {
    background: rgba(255, 255, 255, 0.92);
    border-radius: 0.85rem;
    padding: 0.9rem;
    color: var(--color-primary);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.hero-card-main {
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hero-pill {
    display: inline-block;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.12);
    color: var(--color-accent);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.hero-pill-alt {
    background: rgba(20, 184, 166, 0.12);
    color: #0f766e;
}

.hero-card h3,
.hero-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-top: 0.45rem;
    font-family: var(--font-primary);
}

.hero-card h4 {
    font-size: 0.95rem;
}

.hero-card p {
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--color-text-light);
    margin-top: 0.3rem;
}

.hero-bars {
    display: flex;
    align-items: flex-end;
    gap: 0.35rem;
    margin-top: 0.8rem;
    height: 3rem;
}

.hero-bars span {
    flex: 1;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-alt) 100%);
}

.hero-bars span:nth-child(1) { height: 40%; }
.hero-bars span:nth-child(2) { height: 72%; }
.hero-bars span:nth-child(3) { height: 88%; }

/* =====================================================
   SERVICES SECTION
   ===================================================== */

.services {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background-color: var(--color-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 1px solid var(--color-border);
    box-shadow: none;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.08);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
}

.service-icon svg {
    width: 30px;
    height: 30px;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-primary);
}

.service-card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-list li {
    color: var(--color-accent-alt);
    font-weight: 500;
    font-family: var(--font-primary);
}

/* =====================================================
   PORTFOLIO SECTION
   ===================================================== */

.portfolio {
    padding: var(--spacing-2xl) 0;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.portfolio-card {
    background-color: var(--color-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--color-border);
    box-shadow: none;
    position: relative;
}

.portfolio-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.08);
}

.portfolio-card-link {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.portfolio-card-link::after {
    content: '';
    position: absolute;
    inset: 0;
}

.portfolio-card:focus-within {
    outline: 3px solid rgba(37, 99, 235, 0.4);
    outline-offset: 4px;
}

.portfolio-image {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    overflow: hidden;
}

.alertax-bg {
    background: linear-gradient(135deg, #001a4d 0%, #ff8c00 100%);
}

.vouchek-bg {
    background: linear-gradient(135deg, #001a4d 0%, #22c55e 100%);
}

.chicago-bg {
    background: linear-gradient(135deg, #001a4d 0%, #ff8c00 100%);
}

.delfos-bg {
    background: linear-gradient(135deg, #001a4d 0%, #6366f1 100%);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    padding: var(--spacing-lg);
}

.portfolio-category {
    background-color: var(--color-accent);
    color: var(--color-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
}

.portfolio-content {
    padding: var(--spacing-lg);
}

.portfolio-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-primary);
}

.portfolio-link {
    color: inherit;
    text-decoration: none;
}

.portfolio-link:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.portfolio-problem,
.portfolio-solution {
    font-size: 0.95rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.portfolio-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tag {
    background-color: var(--color-bg);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
}

/* =====================================================
       PRODUCT PAGE LAYOUT
       ===================================================== */

    .product-hero {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: var(--spacing-2xl);
        align-items: center;
        padding: calc(var(--spacing-2xl) + 2rem) 0;
        min-height: calc(100vh - 80px);
    }

    .product-hero-copy {
        max-width: 700px;
        padding: 0 var(--spacing-md);
    }

    .product-badge {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.5rem 0.9rem;
        border-radius: 999px;
        background: rgba(37, 99, 235, 0.12);
        color: var(--color-accent);
        font-weight: 700;
        font-size: 0.85rem;
        margin-bottom: var(--spacing-md);
    }

    .product-hero h1 {
        font-size: 3rem;
        line-height: 1.05;
        margin-bottom: var(--spacing-md);
        color: var(--color-primary);
        font-family: var(--font-primary);
    }

    .product-subtitle {
        font-size: 1.15rem;
        color: var(--color-text-light);
        max-width: 620px;
        margin-bottom: var(--spacing-xl);
    }

    .product-hero-actions {
        display: flex;
        gap: var(--spacing-md);
        flex-wrap: wrap;
        margin-bottom: var(--spacing-2xl);
    }

    .product-highlights {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--spacing-md);
    }

    .highlight-item {
        background: var(--color-secondary);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-sm);
    }

    .highlight-item strong {
        display: block;
        margin-bottom: 0.5rem;
        color: var(--color-primary);
        font-family: var(--font-primary);
    }

    .product-hero-visual img {
        width: 100%;
        border-radius: 1.5rem;
        box-shadow: var(--shadow-xl);
        border: 1px solid rgba(15, 23, 42, 0.08);
    }

    .product-overview,
    .product-features,
    .product-showcase,
    .product-plans,
    .product-cta {
        padding: var(--spacing-2xl) 0;
    }

    .product-overview-grid,
    .features-grid,
    .showcase-grid,
    .plan-cards {
        display: grid;
        gap: var(--spacing-xl);
    }

    .product-overview-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .product-card,
    .feature-card,
    .plan-card {
        background: var(--color-secondary);
        border-radius: var(--radius-lg);
        border: 1px solid var(--color-border);
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-sm);
    }

    .product-card h3,
    .feature-card h3,
    .plan-card h3 {
        margin-bottom: var(--spacing-md);
        font-size: 1.35rem;
        color: var(--color-primary);
        font-family: var(--font-primary);
    }

    .product-card p,
    .feature-card p {
        color: var(--color-text-light);
        line-height: 1.8;
    }

    .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .showcase-split {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }

    .showcase-part h3 {
        margin-bottom: var(--spacing-md);
        color: var(--color-primary);
        font-size: 1.4rem;
        font-family: var(--font-primary);
    }

    .showcase-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--spacing-lg);
    }

    .showcase-grid--single {
        grid-template-columns: 1fr;
    }

    .showcase-grid figure {
        margin: 0;
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--color-border);
        box-shadow: var(--shadow-sm);
    }

    .showcase-grid img {
        display: block;
        width: 100%;
        height: auto;
    }

    .plan-cards {
        /* Force the plan-rows to stack vertically; each row controls its own columns */
        grid-template-columns: 1fr;
        width: 100%;
    }

    /* Plan rows: allow explicit control for 3-up and 2-up layouts */
    .plan-row {
        display: grid;
        gap: var(--spacing-xl);
        margin-bottom: var(--spacing-lg);
        width: 100%;
    }

    .plan-row--three {
        grid-template-columns: repeat(3, minmax(220px, 1fr));
    }

    .plan-row--two {
        /* First column constrained, second column flexible so wide card can expand */
        grid-template-columns: minmax(220px, 320px) 1fr;
        justify-content: center;
        justify-items: center;
    }

    .plan-price {
        font-size: 2rem;
        font-weight: 700;
        color: var(--color-primary);
        margin: 0.75rem 0;
    }

    .plan-price span {
        font-size: 1rem;
        color: var(--color-text-light);
        font-weight: 500;
    }

    /* Wide plan card modifier */
    .plan-card--wide {
        max-width: 760px;
        width: 100%;
        justify-self: center;
        box-shadow: var(--shadow-sm);
        background: var(--color-secondary);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        padding: var(--spacing-xl);
    }

    .plan-card ul {
        list-style: none;
        padding: 0;
        margin: 0;
        display: grid;
        gap: 0.8rem;
    }

    .plan-card li {
        color: var(--color-text-light);
        line-height: 1.7;
    }

    .product-plan-note {
        margin-top: var(--spacing-lg);
        color: var(--color-text-light);
        font-size: 0.95rem;
        text-align: center;
    }

    .product-cta {
        background: linear-gradient(180deg, rgba(37, 99, 235, 0.08), rgba(255, 255, 255, 0.8));
        border-top: 1px solid rgba(15, 23, 42, 0.08);
    }

    .product-cta .container {
        text-align: center;
    }

    .product-cta p {
        font-size: 1.05rem;
        color: var(--color-text);
        margin-bottom: var(--spacing-md);
    }

    @media (max-width: 1024px) {
        .product-hero {
            grid-template-columns: 1fr;
        }

        .product-highlights,
        .product-overview-grid,
        .features-grid,
        .showcase-grid {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 768px) {
        .product-hero {
            padding: calc(var(--spacing-xl) + 1rem) 0;
        }

        .product-hero h1 {
            font-size: 2.2rem;
        }

        .product-subtitle {
            font-size: 1rem;
        }

        .product-hero-actions,
        .product-highlights,
        .product-overview-grid,
        .features-grid,
        .showcase-grid,
        .plan-cards,
        .plan-row--three,
        .plan-row--two {
            grid-template-columns: 1fr;
            justify-content: stretch;
        }
    }

    /* =====================================================
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-primary);
}

.about-content p {
    color: var(--color-text);
    line-height: 1.8;
    font-size: 1.05rem;
}

.about-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.timeline-item {
    background-color: var(--color-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.timeline-year {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-primary);
}

.timeline-item p {
    color: var(--color-text-light);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.value-card {
    background-color: var(--color-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: none;
    border: 1px solid var(--color-border);
}

.value-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-primary);
}

.value-card p {
    color: var(--color-text-light);
    line-height: 1.8;
}

/* =====================================================
   CONTACT SECTION
   ===================================================== */

.contact {
    padding: var(--spacing-2xl) 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.contact-form-container h3,
.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-primary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-primary);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--color-bg);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.1);
}

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    display: none;
}

.form-message.success {
    background-color: #d1fae5;
    color: #065f46;
    display: block;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    display: block;
}

/* =====================================================
   ABOUT SECTION
   ===================================================== */

.about {
    padding: var(--spacing-2xl) 0;
}

.about-story {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.about-content h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    font-family: var(--font-primary);
    margin-bottom: var(--spacing-md);
}

.about-content p {
    color: var(--color-text);
    line-height: 1.8;
    font-size: 1.05rem;
}

.about-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.timeline-item {
    background-color: var(--color-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.timeline-year {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-primary);
}

.timeline-item p {
    color: var(--color-text-light);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.value-card {
    background-color: var(--color-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

@media (max-width: 1024px) {
    .about-story {
        grid-template-columns: 1fr;
    }
}

.contact-info {
    background: var(--color-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.contact-method {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.contact-method:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.contact-method h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-primary);
}

.contact-link {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.contact-link:hover {
    text-decoration: underline;
}

.contact-method p {
    color: var(--color-text-light);
}

/* =====================================================
   FOOTER
   ===================================================== */

.footer {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: var(--transition);
    opacity: 0.9;
}

.footer-section a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */

@media (max-width: 768px) {
    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-secondary);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        box-shadow: var(--shadow-lg);
    }

    .navbar-menu.active {
        display: flex;
    }

    .navbar-toggle {
        display: flex;
    }

    .navbar-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

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

    .navbar-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }

    .hero-visual {
        grid-column: 1;
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .btn {
        width: 100%;
        text-align: center;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .service-card,
    .value-card,
    .portfolio-card {
        padding: var(--spacing-md);
    }

    .navbar-menu {
        gap: var(--spacing-md);
    }

    .contact-wrapper {
        gap: var(--spacing-lg);
    }
}