/* =====================================================
   Wapa Travel — Camino de Santiago
   Design System & Base Styles
   ===================================================== */

/* ---- DESIGN TOKENS ---- */
:root {
    --wapa-orange: #f68b1f;
    --wapa-orange-dark: #d4750f;
    --wapa-orange-light: #ffa94d;
    --wapa-teal: #2bc2c7;
    --wapa-teal-dark: #1a9ea3;
    --wapa-teal-light: #5dd9dd;
    --wapa-blue: #0057bf;
    --wapa-blue-dark: #003d8a;
    --wapa-white: #ffffff;
    --wapa-black: #000000;
    --wapa-dark: #0a0a1a;
    --wapa-dark-surface: #121225;
    --wapa-dark-card: #1a1a35;
    --wapa-gold: #d4a853;
    --wapa-gold-light: #f0d48a;

    --text-primary: #f0f0f8;
    --text-secondary: #a0a0c0;
    --text-muted: #6a6a8a;

    --font-heading: 'Outfit', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;

    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.3);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.4);
    --shadow-glow-orange: 0 0 40px rgba(246, 139, 31, 0.3);
    --shadow-glow-teal: 0 0 40px rgba(43, 194, 199, 0.3);

    --glass-bg: rgba(255,255,255,0.05);
    --glass-border: rgba(255,255,255,0.1);
    --glass-bg-strong: rgba(10,10,26,0.75);

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

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

html {
    scroll-behavior: auto; /* GSAP handles smooth scroll */
    -webkit-text-size-adjust: 100%;
    scroll-snap-type: y proximity;
}

body {
    font-family: var(--font-body);
    background: var(--wapa-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.1;
    font-weight: 800;
}

.text-gradient {
    background: linear-gradient(135deg, var(--wapa-teal), var(--wapa-teal-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-gold {
    background: linear-gradient(135deg, var(--wapa-gold), var(--wapa-gold-light), var(--wapa-orange-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---- NAVIGATION ---- */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    transition: var(--transition);
    pointer-events: none;
}

.main-nav.scrolled {
    background: rgba(10, 10, 26, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    pointer-events: auto;
}

.nav-brand-link {
    flex-shrink: 0;
}

.nav-logo-img {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    object-fit: cover;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.nav-logo-img:hover {
    transform: scale(1.1);
}

.nav-progress {
    flex: 1;
    max-width: 500px;
    margin: 0 24px;
    opacity: 0;
    transition: opacity 0.4s;
}

.main-nav.scrolled .nav-progress {
    opacity: 1;
}

.progress-track {
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    position: relative;
    overflow: visible;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--wapa-teal), var(--wapa-orange));
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
}

.progress-dots {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
}

.progress-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--wapa-dark);
    border: 2px solid rgba(255,255,255,0.2);
    transition: var(--transition);
    cursor: pointer;
}

.progress-dot.active {
    background: var(--wapa-teal);
    border-color: var(--wapa-teal);
    box-shadow: 0 0 10px rgba(43, 194, 199, 0.5);
}

.progress-dot.passed {
    background: var(--wapa-orange);
    border-color: var(--wapa-orange);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: white;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.35);
}

.nav-cta span {
    display: none;
}

.main-nav.scrolled .nav-cta span {
    display: inline;
}

/* ---- WHATSAPP FLOAT ---- */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366, #128c7e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    animation: pulse-whatsapp 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

@keyframes pulse-whatsapp {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7); }
}

/* ---- SECTION BASE ---- */
.section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    scroll-snap-align: start;
}

.parallax-bg {
    position: absolute;
    inset: -20% -5%;
    background-size: cover;
    background-position: center;
    will-change: transform;
    z-index: 0;
}

.parallax-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.overlay-dark {
    background: rgba(10, 10, 26, 0.75);
}

.overlay-dark-strong {
    background: rgba(10, 10, 26, 0.85);
}

.overlay-gradient-left {
    background: linear-gradient(
        90deg,
        rgba(10, 10, 26, 0.92) 0%,
        rgba(10, 10, 26, 0.7) 50%,
        rgba(10, 10, 26, 0.3) 100%
    );
}

.overlay-gradient-center {
    background: radial-gradient(
        ellipse at center,
        rgba(10, 10, 26, 0.4) 0%,
        rgba(10, 10, 26, 0.85) 100%
    );
}

.section-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 100px 48px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 20px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.7;
}

/* ---- ANIMATE IN ---- */
.animate-in {
    opacity: 0;
    transform: translateY(40px);
}

.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

/* ---- PARTICLES ---- */
.particles-canvas {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}