/* ============================================================
   TRUE NORTH ADVENTURES — SHARED STYLESHEET
   Linked by: index.html, trip-report-*.html
   Page-specific overrides stay in each HTML file's <style> block
   ============================================================ */

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
    --color-charcoal: #151c2c;
    --color-dark: #0b1120;
    --color-slate: #1e2a42;
    --color-stone: #2a3650;
    --color-warm-gray: #8a8680;
    --color-sand: #c4b9a8;
    --color-cream: #f5f0e8;
    --color-amber: #d4873f;
    --color-amber-light: #e8a85c;
    --color-amber-glow: #f0c078;
    --color-forest: #2d4a3e;
    --color-white: #ffffff;

    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Source Sans 3', sans-serif;
    --font-accent: 'Playfair Display', serif;

    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

body {
    font-family: var(--font-body);
    background: var(--color-dark);
    color: var(--color-cream);
    line-height: 1.7;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-smooth);
}

.nav.scrolled {
    background: rgba(11, 17, 32, 0.95);
    backdrop-filter: blur(20px);
    padding: 1rem 3rem;
    box-shadow: 0 2px 40px rgba(0, 0, 0, 0.3);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-wordmark {
    height: 40px;
    width: auto;
    display: block;
    overflow: visible;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    padding-bottom: 4px;
    transition: var(--transition-smooth);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-amber);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--color-white);
}

.nav-links a:hover::after {
    width: 100%;
}

/* ---- Destinations dropdown ---- */
.nav-item-dropdown {
    position: relative;
}

.nav-item-dropdown > a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.nav-chevron {
    transition: transform 0.3s ease;
    opacity: 0.6;
}

.nav-item-dropdown:hover .nav-chevron {
    transform: rotate(180deg);
    opacity: 1;
}

.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    background: transparent;
    list-style: none;
    min-width: 240px;
    padding-top: 0.85rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    pointer-events: none;
}

.nav-dropdown::before {
    content: '';
    display: block;
    position: absolute;
    inset: 0.85rem 0 0 0;
    background: rgba(11, 17, 32, 0.97);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(212, 135, 63, 0.25);
    border-top: 2px solid var(--color-amber);
    box-shadow: 0 16px 40px rgba(0,0,0,0.4);
    pointer-events: none;
    z-index: -1;
}

.nav-item-dropdown:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: all;
}

.nav-dropdown li a {
    display: block;
    padding: 0.7rem 1.4rem;
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: var(--color-sand);
    white-space: nowrap;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: color 0.2s, background 0.2s;
}

.nav-dropdown li:last-child a { border-bottom: none; }
.nav-dropdown li a::after { display: none; }

.nav-dropdown li a:hover {
    color: var(--color-amber);
    background: rgba(212, 135, 63, 0.07);
}

.nav-dropdown .dropdown-region {
    display: block;
    font-size: 0.65rem;
    letter-spacing: 1.5px;
    color: var(--color-warm-gray);
    margin-top: 2px;
    text-transform: uppercase;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    width: 28px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-smooth);
}

/* ============================================
   SHARED SECTION HELPERS
   ============================================ */
.section-label {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-amber);
    margin-bottom: 1rem;
}

.section-divider {
    width: 60px;
    height: 3px;
    background: var(--color-amber);
    margin-bottom: 2.5rem;
}

/* ============================================
   TRIP REPORT — HERO
   (index.html overrides .hero alignment in its own <style>)
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

/* Base positioning for the hero background div.
   Each page sets its own background image + gradient in a page-specific style. */
.hero-bg {
    position: absolute;
    inset: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 3rem 5rem;
}

.hero-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--color-amber);
    margin-bottom: 1.5rem;
}

.hero-breadcrumb svg {
    transform: rotate(180deg);
}

.hero-eyebrow {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-amber);
    margin-bottom: 1rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.75rem, 6vw, 5.5rem);
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    line-height: 1.05;
    color: var(--color-white);
    margin-bottom: 1.25rem;
}

.hero-subtitle {
    font-family: var(--font-accent);
    font-style: italic;
    font-size: clamp(1.1rem, 2vw, 1.45rem);
    color: var(--color-sand);
    max-width: 640px;
}

/* ============================================
   TRIP REPORT — STATS STRIP
   ============================================ */
.stats-strip {
    background: var(--color-slate);
    border-top: 1px solid rgba(212, 135, 63, 0.3);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.stats-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 3rem;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
}

.stat-item {
    padding: 2rem 1rem;
    text-align: center;
    border-right: 1px solid rgba(255,255,255,0.07);
}

.stat-item:last-child { border-right: none; }

.stat-label {
    font-family: var(--font-heading);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-warm-gray);
    margin-bottom: 0.4rem;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--color-amber);
    letter-spacing: 1px;
}

.stat-unit {
    font-size: 0.75rem;
    color: var(--color-warm-gray);
    margin-top: 0.2rem;
}

/* ============================================
   TRIP REPORT — ARTICLE BODY
   ============================================ */
.article {
    padding: 6rem 2rem;
    background: var(--color-dark);
}

.article-inner {
    max-width: 780px;
    margin: 0 auto;
}

.article-inner p {
    font-size: 1.1rem;
    color: var(--color-sand);
    line-height: 1.85;
    margin-bottom: 1.75rem;
}

.article-inner p:last-child { margin-bottom: 0; }

.pull-quote {
    font-family: var(--font-accent);
    font-style: italic;
    font-size: 1.4rem;
    color: var(--color-amber-light);
    line-height: 1.6;
    border-left: 3px solid var(--color-amber);
    padding: 0.5rem 0 0.5rem 1.75rem;
    margin: 2.75rem 0;
}

/* ============================================
   TRIP REPORT — PHOTO GALLERY
   ============================================ */
.trip-gallery {
    background: var(--color-charcoal);
    padding: 6rem 2rem;
    position: relative;
}

.trip-gallery::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-amber), transparent);
}

.trip-gallery-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-heading {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: 0;
}

/* Shared gallery item styles (home page and trip reports) */
.gallery-item {
    overflow: hidden;
    position: relative;
}

.gallery-item.tall { grid-row: 1 / 3; }
.gallery-item.wide { grid-column: 1 / -1; }

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    display: block;
}

.gallery-item:hover img {
    transform: scale(1.04);
}

.gallery-item-caption {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(180deg, transparent, rgba(11,17,32,0.85));
    padding: 2rem 1.25rem 0.85rem;
    font-family: var(--font-heading);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-sand);
    opacity: 0;
    transition: opacity 0.35s ease;
}

.gallery-item:hover .gallery-item-caption { opacity: 1; }

/* ============================================
   TRIP REPORT — ROUTE / DAY-BY-DAY
   ============================================ */
.route-section {
    background: var(--color-charcoal);
    position: relative;
}

.route-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-amber), transparent);
}

.route-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.route-text .section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.route-text p {
    font-size: 1rem;
    color: var(--color-sand);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.route-legs {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.route-leg {
    background: var(--color-slate);
    border: 1px solid rgba(255,255,255,0.05);
    border-left: 3px solid var(--color-amber);
    padding: 1.25rem 1.5rem;
}

.route-leg-name {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: 0.35rem;
}

.route-leg-detail {
    font-size: 0.9rem;
    color: var(--color-warm-gray);
    line-height: 1.5;
}

.route-leg-detail span {
    color: var(--color-amber);
    font-weight: 600;
}

/* ============================================
   TRIP REPORT — PHILOSOPHY BANNER
   (Each page sets its own background image via page-specific style)
   ============================================ */
.philosophy {
    position: relative;
    padding: 9rem 2rem;
    text-align: center;
    overflow: hidden;
}

/* Base positioning — bg image added per-page */
.philosophy-bg {
    position: absolute;
    inset: 0;
}

.philosophy-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.philosophy-quote {
    font-family: var(--font-accent);
    font-style: italic;
    font-size: clamp(1.4rem, 2.8vw, 2.1rem);
    color: var(--color-cream);
    line-height: 1.65;
    margin-bottom: 2rem;
}

.philosophy-attribution {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-amber);
}

/* ============================================
   TRIP REPORT — CTA SECTION
   ============================================ */
.cta-section {
    background: var(--color-dark);
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-amber), transparent);
}

.cta-inner {
    max-width: 600px;
    margin: 0 auto;
}

.cta-inner .section-label { display: block; margin-bottom: 1rem; }

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: 1.25rem;
}

.cta-text {
    font-size: 1.05rem;
    color: var(--color-sand);
    margin-bottom: 2.5rem;
    line-height: 1.75;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-white);
    border: 2px solid var(--color-amber);
    padding: 1rem 2.5rem;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.btn:hover {
    background: var(--color-amber);
    color: var(--color-dark);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-dark);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 3rem 2rem;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text {
    font-size: 0.8rem;
    color: var(--color-warm-gray);
    letter-spacing: 1px;
}

.footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.footer-links a {
    font-size: 0.8rem;
    color: var(--color-warm-gray);
    letter-spacing: 1px;
    transition: color 0.3s;
}

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

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.compass-needle {
    animation: needle-settle 4s linear forwards;
}

@keyframes needle-settle {
    /* Initial swing — needle starts displaced, swings wide */
    0%   { transform: rotate(62deg); }
    3%   { transform: rotate(55deg); }
    6%   { transform: rotate(35deg); }
    9%   { transform: rotate(5deg); }
    /* First counter-swing — strong overshoot left */
    13%  { transform: rotate(-30deg); }
    18%  { transform: rotate(-43deg); }
    23%  { transform: rotate(-26deg); }
    27%  { transform: rotate(-2deg); }
    /* Second swing right — smaller */
    31%  { transform: rotate(20deg); }
    36%  { transform: rotate(26deg); }
    41%  { transform: rotate(12deg); }
    45%  { transform: rotate(-1deg); }
    /* Third swing left */
    49%  { transform: rotate(-11deg); }
    54%  { transform: rotate(-13deg); }
    59%  { transform: rotate(-5deg); }
    63%  { transform: rotate(0deg); }
    /* Fourth swing right — small */
    67%  { transform: rotate(5deg); }
    71%  { transform: rotate(5.5deg); }
    75%  { transform: rotate(2deg); }
    79%  { transform: rotate(0deg); }
    /* Fifth swing left — very small, nearly settled */
    82%  { transform: rotate(-2deg); }
    86%  { transform: rotate(-2.5deg); }
    90%  { transform: rotate(-0.8deg); }
    93%  { transform: rotate(0deg); }
    /* Final micro-wobble and settle */
    96%  { transform: rotate(0.5deg); }
    98%  { transform: rotate(0.1deg); }
    100% { transform: rotate(0deg); }
}

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

/* Tablet */
@media (max-width: 1024px) {
    .route-inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    /* Nav */
    .nav { padding: 1.25rem 1.5rem; }

    .nav-links {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(11, 17, 32, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2.5rem;
    }

    .nav-links.open { display: flex; }
    .nav-links a { font-size: 1.2rem; }
    .nav-toggle { display: flex; }

    /* Mobile sub-menu: flow inline, push items down instead of overlapping */
    .nav-item-dropdown {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .nav-dropdown {
        position: static;
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        pointer-events: auto;
        background: transparent;
        min-width: unset;
        padding: 0.5rem 0 0.25rem 0;
        margin-top: 0.25rem;
        text-align: center;
    }

    .nav-dropdown::before { display: none; }

    .nav-item-dropdown.open .nav-dropdown { display: block; }

    .nav-item-dropdown.open .nav-chevron {
        transform: rotate(180deg);
        opacity: 1;
    }

    .nav-dropdown li a {
        font-size: 1rem;
        letter-spacing: 1.5px;
        padding: 0.5rem 0;
        white-space: normal;
        border-bottom: 1px solid rgba(255,255,255,0.06);
        color: rgba(255,255,255,0.6);
        text-align: center;
    }

    .nav-dropdown li:last-child a { border-bottom: none; }
    .nav-dropdown .dropdown-region { display: none; }

    /* Trip report layouts */
    .hero-content { padding: 0 1.5rem 4rem; }

    .stats-inner {
        grid-template-columns: repeat(3, 1fr);
        padding: 0 1.5rem;
    }

    .stat-item:nth-child(4),
    .stat-item:nth-child(5) { border-top: 1px solid rgba(255,255,255,0.07); }

    .article { padding: 4rem 1.5rem; }

    .trip-gallery { padding: 4rem 1.5rem; }

    /* Collapse all gallery grids to single column */
    .gallery-grid { grid-template-columns: 1fr !important; grid-template-rows: auto !important; }

    .gallery-item.tall,
    .gallery-item.wide { grid-column: auto; grid-row: auto; }

    .gallery-item img { max-height: 300px; }

    .route-inner { padding: 5rem 1.5rem; }

    /* Footer */
    .footer-inner {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}