/* ============================================================
   FRIENDTECH · HUB DESARROLLADOR — Design System 2026
   ============================================================ */

/* --- Custom Properties / Tokens --- */
:root {
    /* Primary palette */
    --azul-profundo:  #041B82;
    --azul-ft:        #0070F7;
    --turquesa:       #00B6C5;
    --blanco:         #FFFFFF;

    /* Secondary palette */
    --verde:          #478B4C;
    --arena:          #D9A04C;
    --gris-ft:        #6B8FA8;
    --carbon:         #0D1B2A;
    --gris-claro:     #9DAAB5;
    --hueso:          #F4EFE6;

    /* Functional */
    --bg-dark:        #030E2E;
    --bg-mid:         #061552;
    --text-primary:   #FFFFFF;
    --text-secondary: #9DAAB5;
    --text-dark:      #0D1B2A;
    --border-subtle:  rgba(0, 182, 197, 0.2);

    /* Spacing scale */
    --sp-xs:  0.5rem;
    --sp-sm:  1rem;
    --sp-md:  2rem;
    --sp-lg:  4rem;
    --sp-xl:  6rem;
    --sp-2xl: 10rem;

    /* Type scale */
    --text-xs:   0.75rem;
    --text-sm:   0.875rem;
    --text-base: 1rem;
    --text-lg:   1.125rem;
    --text-xl:   1.5rem;
    --text-2xl:  2rem;
    --text-3xl:  2.75rem;
    --text-4xl:  3.75rem;
    --text-5xl:  5rem;
    --text-hero: clamp(3rem, 8vw, 7rem);

    /* Radius */
    --radius-sm:  4px;
    --radius-md:  8px;
    --radius-lg:  16px;
    --radius-xl:  24px;
    --radius-full: 9999px;

    /* Transition */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index */
    --z-canvas:  -1;
    --z-base:     1;
    --z-nav:    100;
    --z-modal:  200;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Montserrat', system-ui, sans-serif;
    font-weight: 400;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* --- Canvas (FT Lines Background) --- */
#ft-lines-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-canvas);
    pointer-events: none;
    opacity: 0.35;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    padding: 1.25rem 0;
    transition: background var(--transition), padding var(--transition), backdrop-filter var(--transition);
}

.site-header.scrolled {
    background: rgba(3, 14, 46, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
    color: var(--blanco);
    transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.85; }

.logo-mark { width: 52px; height: auto; color: var(--blanco); }
.logo-svg { width: 100%; height: auto; }

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}
.logo-brand {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--blanco);
}
.logo-sub {
    font-size: 0.55rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: var(--turquesa);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-left: auto;
}

.nav-link {
    padding: 0.5rem 0.9rem;
    font-size: 0.825rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.75);
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0.9rem;
    right: 0.9rem;
    height: 2px;
    background: var(--turquesa);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
    border-radius: 2px;
}
.nav-link:hover, .nav-link.active {
    color: var(--blanco);
}
.nav-link:hover::after, .nav-link.active::after {
    transform: scaleX(1);
}

.nav-cta {
    padding: 0.6rem 1.4rem;
    font-size: 0.825rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    background: linear-gradient(135deg, var(--azul-ft), var(--turquesa));
    border-radius: var(--radius-full);
    color: var(--blanco);
    transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
    white-space: nowrap;
    margin-left: 0.5rem;
}
.nav-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(0, 112, 247, 0.4);
}
.cta-arrow { display: inline-block; transition: transform var(--transition); }
.nav-cta:hover .cta-arrow { transform: translateX(3px); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    margin-left: auto;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--blanco);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), opacity var(--transition);
    cursor: pointer;
    white-space: nowrap;
    border: none;
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
    background: linear-gradient(135deg, var(--azul-ft) 0%, var(--turquesa) 100%);
    color: var(--blanco);
    box-shadow: 0 4px 20px rgba(0, 112, 247, 0.3);
}
.btn--primary:hover { box-shadow: 0 8px 32px rgba(0, 112, 247, 0.5); }

.btn--secondary {
    background: rgba(255,255,255,0.08);
    color: var(--blanco);
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
}
.btn--secondary:hover { background: rgba(255,255,255,0.15); }

.btn--outline {
    background: transparent;
    color: var(--turquesa);
    border: 1.5px solid var(--turquesa);
}
.btn--outline:hover { background: var(--turquesa); color: var(--carbon); }

.btn--dark {
    background: var(--azul-profundo);
    color: var(--blanco);
    box-shadow: 0 4px 16px rgba(4, 27, 130, 0.3);
}
.btn--dark:hover { box-shadow: 0 8px 28px rgba(4, 27, 130, 0.5); }

.btn--sm { padding: 0.55rem 1.25rem; font-size: 0.75rem; }
.btn--lg { padding: 1.1rem 2.5rem; font-size: 1rem; }

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container--narrow {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section { padding: var(--sp-xl) 0; }
.section--lg { padding: var(--sp-2xl) 0; }
.section--sm { padding: var(--sp-lg) 0; }

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--turquesa);
    margin-bottom: 1rem;
}
.section-label::before {
    content: '';
    width: 20px;
    height: 1.5px;
    background: var(--turquesa);
    border-radius: 2px;
}

.section-title {
    font-size: var(--text-3xl);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--blanco);
}

.section-title em {
    font-style: normal;
    color: var(--turquesa);
}

.section-body {
    font-size: var(--text-lg);
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 640px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    min-height: 100svh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 8rem 0 5rem;
}

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

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.3) saturate(1.2);
}

.hero-bg-gradient {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(4, 27, 130, 0.8) 0%, rgba(3, 14, 46, 0.6) 50%, rgba(0, 182, 197, 0.1) 100%),
        linear-gradient(to bottom, rgba(3, 14, 46, 0.2) 0%, rgba(3, 14, 46, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--turquesa);
    margin-bottom: 1.5rem;
}

.hero-eyebrow .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--turquesa);
    animation: pulse-dot 2s ease-in-out infinite;
}

.hero-headline {
    font-size: var(--text-hero);
    font-weight: 900;
    line-height: 1.0;
    letter-spacing: -0.04em;
    color: var(--blanco);
    margin-bottom: 1.5rem;
}

.hero-headline .highlight {
    color: var(--turquesa);
    display: block;
}

.hero-body {
    font-size: 1.125rem;
    font-weight: 400;
    color: rgba(255,255,255,0.75);
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.stat-item { display: flex; flex-direction: column; gap: 0.25rem; }

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, var(--blanco), var(--turquesa));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-node-map {
    width: 100%;
    max-width: 560px;
    aspect-ratio: 1;
    position: relative;
}

/* ============================================================
   FT LINES SYSTEM (visual element)
   ============================================================ */
.ft-node {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--turquesa);
    box-shadow: 0 0 12px rgba(0, 182, 197, 0.6), 0 0 24px rgba(0, 182, 197, 0.3);
}

.ft-node::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 1px solid rgba(0, 182, 197, 0.3);
    animation: node-ring 2.5s ease-in-out infinite;
}

.ft-node--large { width: 16px; height: 16px; }
.ft-node--sm { width: 6px; height: 6px; }

/* ============================================================
   CARDS
   ============================================================ */
.card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 182, 197, 0.25);
    background: rgba(255,255,255,0.06);
}

.card--blue {
    background: linear-gradient(135deg, rgba(4, 27, 130, 0.6), rgba(0, 112, 247, 0.2));
    border-color: rgba(0, 112, 247, 0.2);
}

.card--teal {
    background: linear-gradient(135deg, rgba(0, 182, 197, 0.15), rgba(0, 112, 247, 0.1));
    border-color: rgba(0, 182, 197, 0.25);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
}

.card-icon--blue { background: rgba(0, 112, 247, 0.15); color: var(--azul-ft); }
.card-icon--teal { background: rgba(0, 182, 197, 0.15); color: var(--turquesa); }
.card-icon--green { background: rgba(71, 139, 76, 0.15); color: var(--verde); }
.card-icon--sand { background: rgba(217, 160, 76, 0.15); color: var(--arena); }

.card-label {
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--turquesa);
    margin-bottom: 0.5rem;
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 800;
    line-height: 1.2;
    color: var(--blanco);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.card-body {
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ============================================================
   UNIT CARDS
   ============================================================ */
.unit-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    min-height: 360px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    cursor: pointer;
    transition: transform var(--transition-slow);
    background: var(--azul-profundo);
}

.unit-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(4,27,130,0.95) 0%, rgba(4,27,130,0.4) 60%, transparent 100%);
    z-index: 1;
    transition: opacity var(--transition);
}

.unit-card:hover { transform: translateY(-6px); }
.unit-card:hover::before { opacity: 0.85; }

.unit-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}
.unit-card:hover .unit-bg { transform: scale(1.04); }

.unit-content { position: relative; z-index: 2; }

.unit-number {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: var(--turquesa);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.unit-name {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--blanco);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 0.75rem;
}

.unit-desc {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.5;
    margin-bottom: 1.25rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), opacity var(--transition);
    opacity: 0;
}

.unit-card:hover .unit-desc {
    max-height: 100px;
    opacity: 1;
}

.unit-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.unit-tag {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.7);
}

/* ============================================================
   VALUES / PILLARS
   ============================================================ */
.pillar {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    transition: border-color var(--transition), background var(--transition);
}
.pillar:hover {
    border-color: var(--border-subtle);
    background: rgba(0,182,197,0.04);
}

.pillar-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--azul-ft), var(--turquesa));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.2rem;
}

.pillar-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--blanco);
    margin-bottom: 0.3rem;
}

.pillar-body {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
    background: linear-gradient(135deg, var(--azul-profundo) 0%, rgba(0,112,247,0.3) 100%);
    border-top: 1px solid rgba(0,182,197,0.2);
    border-bottom: 1px solid rgba(0,182,197,0.2);
    padding: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-big-number {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1;
    background: linear-gradient(135deg, var(--blanco), var(--turquesa));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-big-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
}

.stat-divider {
    width: 1px;
    background: rgba(255,255,255,0.1);
}

/* ============================================================
   PROCESS TIMELINE
   ============================================================ */
.process-track {
    position: relative;
    display: flex;
    gap: 0;
}

.process-track::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 24px;
    right: 24px;
    height: 2px;
    background: linear-gradient(90deg, var(--azul-ft), var(--turquesa));
    z-index: 0;
}

.process-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 1rem;
}

.step-node {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--azul-profundo);
    border: 2px solid var(--azul-ft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--turquesa);
    margin-bottom: 1rem;
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.process-step:hover .step-node {
    background: var(--azul-ft);
    border-color: var(--turquesa);
    box-shadow: 0 0 20px rgba(0,112,247,0.4);
}

.step-title {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--blanco);
    margin-bottom: 0.35rem;
}

.step-body {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================================
   PHOTO GRID / GALLERY
   ============================================================ */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 280px);
    gap: 1rem;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.photo-grid-item {
    position: relative;
    overflow: hidden;
    background: var(--bg-mid);
}

.photo-grid-item--wide { grid-column: span 2; }
.photo-grid-item--tall { grid-row: span 2; }

.photo-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    filter: brightness(0.75) saturate(1.1);
}

.photo-grid-item:hover img { transform: scale(1.05); filter: brightness(0.9) saturate(1.2); }

.photo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(4,27,130,0.8), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.photo-grid-item:hover .photo-overlay { opacity: 1; }

.photo-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--turquesa);
}

/* ============================================================
   MARQUEE / TICKER
   ============================================================ */
.marquee-track {
    overflow: hidden;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(0,182,197,0.03);
}

.marquee-inner {
    display: flex;
    gap: 3rem;
    animation: marquee-scroll 30s linear infinite;
    width: max-content;
}

.marquee-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gris-ft);
    white-space: nowrap;
}

.marquee-item .dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--turquesa);
}

/* ============================================================
   FORM ELEMENTS
   ============================================================ */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
}

.form-input, .form-textarea, .form-select {
    background: rgba(255,255,255,0.06);
    border: 1.5px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.1rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--blanco);
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
    width: 100%;
    appearance: none;
}

.form-input::placeholder, .form-textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: var(--turquesa);
    background: rgba(255,255,255,0.09);
    box-shadow: 0 0 0 3px rgba(0,182,197,0.15);
}

.form-textarea { min-height: 140px; resize: vertical; }

.form-select option { background: var(--bg-dark); color: var(--blanco); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: var(--carbon);
    border-top: 1px solid rgba(255,255,255,0.07);
    margin-top: 0;
}

.footer-top {
    max-width: 1400px;
    margin: 0 auto;
    padding: 5rem 2rem 4rem;
    display: grid;
    grid-template-columns: 1.5fr 2fr 1fr;
    gap: 4rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--blanco);
    margin-bottom: 1.25rem;
}

.logo-mark--white { color: var(--blanco); }

.footer-tagline {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--turquesa);
    margin-bottom: 0.5rem;
}

.footer-mission {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.4);
    line-height: 1.6;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-col h4 {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: 1rem;
}

.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col a {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.65);
    transition: color var(--transition);
}
.footer-col a:hover { color: var(--turquesa); }

.footer-connect h4 {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: 0.75rem;
}

.footer-connect p {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.55);
    margin-bottom: 1.25rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.social-link {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.5);
    transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.social-link:hover { color: var(--turquesa); border-color: var(--turquesa); background: rgba(0,182,197,0.08); }
.social-link svg { width: 16px; height: 16px; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 1.5rem 0;
}

.footer-bottom-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.3);
}

.footer-system {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.2);
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
    padding: 10rem 0 5rem;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--azul-profundo) 0%, var(--bg-dark) 100%);
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(0,182,197,0.08) 0%, transparent 70%);
}

.page-hero-content {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.page-hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: var(--blanco);
    margin-bottom: 1.25rem;
}

.page-hero-body {
    font-size: 1.15rem;
    font-weight: 400;
    color: rgba(255,255,255,0.65);
    max-width: 580px;
    line-height: 1.7;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.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; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 3rem; }
    .footer-connect { grid-column: span 2; }
}

@media (max-width: 900px) {
    .hero-content { grid-template-columns: 1fr; gap: 3rem; }
    .hero-visual { display: none; }
    .grid-3 { grid-template-columns: 1fr 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .photo-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
    .photo-grid-item--wide { grid-column: span 2; }
    .photo-grid-item--tall { grid-row: auto; }
    .process-track { flex-direction: column; }
    .process-track::before { display: none; }
    .footer-top { grid-template-columns: 1fr; }
    .footer-nav { grid-template-columns: repeat(3, 1fr); }
    .footer-connect { grid-column: auto; }
}

@media (max-width: 640px) {
    :root {
        --text-3xl: 2rem;
        --sp-xl: 4rem;
        --sp-2xl: 6rem;
    }
    .nav-links {
        display: none;
        position: fixed;
        inset: 0;
        top: 72px;
        background: rgba(3, 14, 46, 0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 1rem;
        z-index: 99;
    }
    .nav-links.open { display: flex; }
    .nav-link { font-size: 1.1rem; padding: 0.75rem 1.5rem; }
    .nav-cta { margin: 0; }
    .nav-toggle { display: flex; }

    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .hero-stats { grid-template-columns: 1fr 1fr; }
    .photo-grid { grid-template-columns: 1fr; }
    .photo-grid-item--wide { grid-column: auto; }
    .footer-nav { grid-template-columns: 1fr 1fr; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
}