/* ============================================
   TRIBE NOMAD - Adventure Hostel Design System
   Extracted from Stitch Project
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Epilogue:wght@400;700;800;900&family=Manrope:wght@400;500;600&family=Work+Sans:wght@400;500;600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap');

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
    /* Primary */
    --primary: #163826;
    --primary-container: #2d4f3c;
    --primary-fixed: #c5ecd2;
    --primary-fixed-dim: #a9cfb7;
    --on-primary: #ffffff;
    --on-primary-container: #9ac0a7;
    --on-primary-fixed: #002112;
    --on-primary-fixed-variant: #2c4e3b;

    /* Secondary */
    --secondary: #98462d;
    --secondary-container: #fd9576;
    --secondary-fixed: #ffdbd1;
    --secondary-fixed-dim: #ffb59f;
    --on-secondary: #ffffff;
    --on-secondary-container: #752c15;
    --on-secondary-fixed: #3a0a00;
    --on-secondary-fixed-variant: #7a2f18;

    /* Tertiary */
    --tertiary: #22343d;
    --tertiary-container: #384b54;
    --tertiary-fixed: #d1e6f0;
    --tertiary-fixed-dim: #b5cad4;
    --on-tertiary: #ffffff;
    --on-tertiary-container: #a6bac5;
    --on-tertiary-fixed: #0a1e26;
    --on-tertiary-fixed-variant: #374952;

    /* Surface */
    --background: #fcf9f3;
    --surface: #fcf9f3;
    --surface-dim: #dcdad4;
    --surface-bright: #fcf9f3;
    --surface-container-lowest: #ffffff;
    --surface-container-low: #f6f3ed;
    --surface-container: #f0eee8;
    --surface-container-high: #ebe8e2;
    --surface-container-highest: #e5e2dc;
    --surface-variant: #e5e2dc;
    --surface-tint: #436651;
    --on-surface: #1c1c18;
    --on-surface-variant: #424843;
    --on-background: #1c1c18;
    --inverse-surface: #31312d;
    --inverse-on-surface: #f3f0ea;
    --inverse-primary: #a9cfb7;

    /* Outline */
    --outline: #727973;
    --outline-variant: #c1c8c1;

    /* Error */
    --error: #ba1a1a;
    --error-container: #ffdad6;
    --on-error: #ffffff;
    --on-error-container: #93000a;

    /* Typography */
    --font-headline: 'Epilogue', sans-serif;
    --font-body: 'Manrope', sans-serif;
    --font-label: 'Work Sans', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(28, 28, 24, 0.04);
    --shadow-md: 0 4px 12px rgba(28, 28, 24, 0.06);
    --shadow-lg: 0 12px 32px rgba(28, 28, 24, 0.08);
    --shadow-xl: 0 20px 40px rgba(28, 28, 24, 0.06);

    /* Transitions */
    --ease-out-quint: cubic-bezier(0.23, 1, 0.32, 1);
    --transition-fast: 200ms var(--ease-out-quint);
    --transition-medium: 400ms var(--ease-out-quint);
    --transition-slow: 700ms var(--ease-out-quint);
    --transition-reveal: 1000ms var(--ease-out-quint);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background-color: var(--background);
    color: var(--on-surface);
    line-height: 1.6;
    overflow-x: hidden;
}

::selection {
    background-color: var(--secondary-container);
    color: var(--on-secondary-container);
}

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

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

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: var(--font-headline);
    transition: all var(--transition-medium);
}

ul {
    list-style: none;
}

input {
    font-family: var(--font-body);
    outline: none;
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}

/* --- Layout --- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 1.5rem;
}

.grid {
    display: grid;
    gap: 1.5rem;
}

/* --- Navigation --- */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(252, 249, 243, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
}

.nav.scrolled {
    box-shadow: var(--shadow-md);
}

.nav__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
}

.nav__logo {
    font-family: var(--font-headline);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.nav__links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav__link {
    font-family: var(--font-headline);
    font-weight: 700;
    color: var(--primary);
    opacity: 0.8;
    letter-spacing: -0.02em;
    transition: color var(--transition-fast);
    font-size: 0.95rem;
}

.nav__link:hover,
.nav__link--active {
    color: var(--secondary);
    opacity: 1;
}

.nav__link--active {
    border-bottom: 2px solid var(--secondary);
    padding-bottom: 0.25rem;
}

.nav__cta {
    background: var(--secondary);
    color: var(--on-secondary);
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 0.875rem;
}

.nav__cta:hover {
    background: var(--on-secondary-fixed-variant);
}

.nav__cta:active {
    transform: scale(0.95);
}

/* Mobile menu */
.nav__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    padding: 0.5rem;
}

.nav__hamburger span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: all var(--transition-fast);
}

.nav__mobile {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--background);
    z-index: 100;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.nav__mobile.active {
    display: flex;
}

.nav__mobile-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    font-size: 2rem;
    color: var(--primary);
}

.nav__mobile .nav__link {
    font-size: 1.5rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1rem;
    transition: all var(--transition-medium);
}

.btn:active {
    transform: scale(0.96);
}

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

.btn--primary:hover {
    background: var(--primary-container);
}

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

.btn--secondary:hover {
    filter: brightness(1.1);
}

.btn--ghost {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn--outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn--outline:hover {
    background: var(--primary);
    color: var(--on-primary);
}

.btn--outline-secondary {
    background: transparent;
    border: 2px solid var(--secondary);
    color: var(--secondary);
}

.btn--outline-secondary:hover {
    background: var(--secondary);
    color: var(--on-secondary);
}

.btn--lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

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

/* --- Typography --- */
.heading-xl {
    font-family: var(--font-headline);
    font-weight: 900;
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 0.95;
    letter-spacing: -0.04em;
}

.heading-lg {
    font-family: var(--font-headline);
    font-weight: 900;
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.heading-md {
    font-family: var(--font-headline);
    font-weight: 800;
    font-size: 1.5rem;
    line-height: 1.2;
}

.heading-sm {
    font-family: var(--font-headline);
    font-weight: 700;
    font-size: 1.25rem;
    line-height: 1.3;
}

.text-body {
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--on-surface-variant);
}

.text-label {
    font-family: var(--font-label);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-muted { color: var(--on-surface-variant); }

/* --- Cards --- */
.card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.card__image {
    width: 100%;
    height: 20rem;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card:hover .card__image {
    transform: scale(1.05);
}

.card__image-wrapper {
    position: relative;
    overflow: hidden;
}

.card__badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-family: var(--font-label);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.card__badge--primary {
    background: var(--primary);
    color: var(--on-primary);
}

.card__badge--secondary {
    background: var(--secondary);
    color: var(--on-secondary);
}

.card__body {
    padding: 2rem;
}

/* --- Tags / Chips --- */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-family: var(--font-label);
    font-size: 0.75rem;
    background: var(--surface-container-high);
}

.tag--secondary {
    background: var(--secondary-container);
    color: var(--on-secondary-container);
}

.tag--primary {
    background: var(--primary-fixed);
    color: var(--on-primary-fixed-variant);
}

/* --- Polaroid Frames --- */
.polaroid {
    background: var(--surface-container-lowest);
    padding: 0.75rem;
    padding-bottom: 2.5rem;
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-medium);
}

.polaroid--tilt-left {
    transform: rotate(-2deg);
}

.polaroid--tilt-right {
    transform: rotate(2deg);
}

.polaroid:hover {
    transform: rotate(0deg) scale(1.02);
}

.polaroid__image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.polaroid__caption {
    font-family: var(--font-label);
    font-size: 0.75rem;
    text-align: center;
    color: var(--on-surface-variant);
    margin-top: 0.75rem;
}

/* --- Hero Sections --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__overlay {
    position: absolute;
    inset: 0;
}

.hero__content {
    position: relative;
    z-index: 10;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

.hero__scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.6);
}

.hero__scroll-line {
    width: 1px;
    height: 3rem;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

/* --- Footer --- */
.footer {
    background: var(--primary);
    color: var(--surface);
    padding: 3rem 1.5rem;
}

.footer__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 1280px;
    margin: 0 auto;
}

.footer__logo {
    font-family: var(--font-headline);
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.footer__desc {
    font-size: 0.875rem;
    opacity: 0.6;
    max-width: 20rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer__heading {
    font-family: var(--font-headline);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.footer__link {
    display: block;
    font-size: 0.875rem;
    opacity: 0.6;
    margin-bottom: 0.75rem;
    text-decoration: underline;
    text-decoration-color: var(--secondary);
    transition: opacity var(--transition-fast);
}

.footer__link:hover {
    opacity: 1;
}

.footer__social {
    display: flex;
    gap: 1rem;
}

.footer__social a {
    opacity: 0.6;
    transition: opacity var(--transition-fast), color var(--transition-fast);
}

.footer__social a:hover {
    opacity: 1;
    color: var(--secondary);
}

.footer__bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    font-size: 0.875rem;
    opacity: 0.4;
    font-style: italic;
}

.footer__newsletter {
    display: flex;
}

.footer__newsletter input {
    flex: 1;
    background: rgba(11, 29, 20, 0.6);
    border: none;
    color: var(--surface);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
}

.footer__newsletter input::placeholder {
    color: rgba(252, 249, 243, 0.4);
}

.footer__newsletter button {
    background: var(--secondary);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* --- Floating Action Button --- */
.fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 40;
    background: var(--secondary);
    color: var(--on-secondary);
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: width var(--transition-medium), border-radius var(--transition-medium);
}

.fab:hover {
    width: 12rem;
    border-radius: var(--radius-xl);
}

.fab__label {
    white-space: nowrap;
    font-weight: 700;
    opacity: 0;
    max-width: 0;
    overflow: hidden;
    transition: opacity var(--transition-medium), max-width var(--transition-medium), margin var(--transition-medium);
}

.fab:hover .fab__label {
    opacity: 1;
    max-width: 10rem;
    margin-left: 0.5rem;
}

/* ============================================
   ANIMATIONS
   Slow, gradual reveal animations
   ============================================ */

/* --- Scroll Reveal Base --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s var(--ease-out-quint), transform 1s var(--ease-out-quint);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 1s var(--ease-out-quint), transform 1s var(--ease-out-quint);
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 1s var(--ease-out-quint), transform 1s var(--ease-out-quint);
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 1s var(--ease-out-quint), transform 1s var(--ease-out-quint);
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays for children */
.stagger > *:nth-child(1) { transition-delay: 0ms; }
.stagger > *:nth-child(2) { transition-delay: 100ms; }
.stagger > *:nth-child(3) { transition-delay: 200ms; }
.stagger > *:nth-child(4) { transition-delay: 300ms; }
.stagger > *:nth-child(5) { transition-delay: 400ms; }
.stagger > *:nth-child(6) { transition-delay: 500ms; }
.stagger > *:nth-child(7) { transition-delay: 600ms; }
.stagger > *:nth-child(8) { transition-delay: 700ms; }

/* --- Keyframe Animations --- */
@keyframes scrollPulse {
    0%, 100% { opacity: 0.6; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

@keyframes floatSlow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulseSoft {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes slowRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

/* Animation utility classes */
.float-slow { animation: floatSlow 6s ease-in-out infinite; }
.pulse-soft { animation: pulseSoft 3s ease-in-out infinite; }
.breathe { animation: breathe 4s ease-in-out infinite; }

/* --- Parallax --- */
.parallax-bg {
    will-change: transform;
    transition: transform 0.1s linear;
}

/* --- Hover Effects --- */
.hover-lift {
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.hover-scale {
    transition: transform var(--transition-slow);
}

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

/* --- Image overlay on hover --- */
.img-overlay {
    position: relative;
    overflow: hidden;
}

.img-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.img-overlay:hover::after {
    opacity: 1;
}

/* --- Page transition --- */
.page-enter {
    animation: fadeInUp 0.8s var(--ease-out-quint) forwards;
}

/* --- Counter Animation --- */
.counter {
    font-variant-numeric: tabular-nums;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (min-width: 768px) {
    .footer__inner {
        grid-template-columns: 1fr 1fr 1fr;
    }

    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
    .grid-6 { grid-template-columns: repeat(6, 1fr); }
    .grid-12 { grid-template-columns: repeat(12, 1fr); }

    .col-span-2 { grid-column: span 2; }
    .col-span-3 { grid-column: span 3; }
    .col-span-4 { grid-column: span 4; }
    .col-span-5 { grid-column: span 5; }
    .col-span-7 { grid-column: span 7; }
    .row-span-2 { grid-row: span 2; }
}

@media (max-width: 767px) {
    .nav__links {
        display: none;
    }

    .nav__hamburger {
        display: flex;
    }

    .hero {
        min-height: 80vh;
    }

    .heading-xl {
        font-size: 2.5rem;
    }

    .section {
        padding: 3rem 1rem;
    }

    .fab {
        display: none;
    }
}