/* ========================================
   ALGOHA.COM - Submerged Cottage Design
   ======================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
    --abyssal-navy: #0b1a2e;
    --trench-ink: #122740;
    --cottage-amber: #d4a043;
    --jellyfish-cyan: #3ce8d6;
    --linen-cream: #f5ecd7;
    --anemone-pink: #e87f6a;
    --sea-glass: #1e3a52;
    --pearl-gray: #a8b5c4;

    --font-headline: 'Poiret One', cursive;
    --font-body: 'Nunito', sans-serif;
    --font-accent: 'Josefin Sans', sans-serif;

    --hex-width: 380px;
    --hex-clip: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background: var(--abyssal-navy);
    color: var(--linen-cream);
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 17px;
    line-height: 1.75;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ---------- Honeycomb Lattice Watermark ---------- */
.hex-watermark {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background-image:
        repeating-conic-gradient(
            from 0deg at 50% 50%,
            transparent 0deg 60deg,
            rgba(212,160,67,0.03) 60deg 60.5deg,
            transparent 60.5deg 360deg
        );
    background-size: 80px 92px;
    opacity: 0.06;
}

/* ---------- Hero Dive Experience ---------- */
.hero-dive {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 1000;
    background: var(--abyssal-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: opacity 1s ease-out;
}

.hero-dive.fade-out {
    opacity: 0;
    pointer-events: none;
}

.hero-dive.hidden {
    display: none;
}

.dive-layer {
    position: absolute;
    border-radius: 50%;
    opacity: 0;
    animation: diveExpand 3s ease-out forwards;
}

.dive-layer-1 {
    width: 200vmax;
    height: 200vmax;
    background: radial-gradient(circle, rgba(60,232,214,0.06) 0%, rgba(11,26,46,0) 70%);
    animation-delay: 0s;
}

.dive-layer-2 {
    width: 160vmax;
    height: 160vmax;
    background: radial-gradient(circle, rgba(212,160,67,0.08) 0%, rgba(11,26,46,0) 60%);
    animation-delay: 0.5s;
}

.dive-layer-3 {
    width: 120vmax;
    height: 120vmax;
    background: radial-gradient(circle, rgba(60,232,214,0.1) 0%, rgba(30,58,82,0.05) 50%, transparent 70%);
    animation-delay: 1s;
}

@keyframes diveExpand {
    0% {
        transform: scale(0.1);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 0.6;
    }
}

/* Dive Bubbles */
.dive-bubbles {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.bubble {
    position: absolute;
    bottom: -20px;
    left: var(--bx);
    width: var(--bsize);
    height: var(--bsize);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(60,232,214,0.5), transparent);
    border: 1px solid rgba(60,232,214,0.3);
    animation: bubbleRise var(--dur) var(--delay) ease-out infinite;
}

@keyframes bubbleRise {
    0% {
        transform: translateY(0) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    80% {
        opacity: 0.4;
    }
    100% {
        transform: translateY(-110vh) scale(0.5);
        opacity: 0;
    }
}

/* Hero Text */
.hero-text {
    position: relative;
    z-index: 10;
    text-align: center;
    opacity: 0;
    animation: heroTextIn 1.5s 0.8s ease-out forwards;
}

.hero-title {
    font-family: var(--font-headline);
    font-size: clamp(3rem, 10vw, 8rem);
    font-weight: 400;
    letter-spacing: 0.3em;
    color: var(--cottage-amber);
    text-shadow: 0 0 40px rgba(212,160,67,0.4), 0 0 80px rgba(212,160,67,0.15);
    margin-bottom: 0.3em;
}

.hero-subtitle {
    font-family: var(--font-accent);
    font-size: clamp(0.7rem, 1.5vw, 1rem);
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--pearl-gray);
    opacity: 0;
    animation: subtitleIn 1s 2s ease-out forwards;
}

@keyframes heroTextIn {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes subtitleIn {
    0% { opacity: 0; }
    100% { opacity: 0.8; }
}

/* ---------- Particle Background ---------- */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: var(--size);
    height: var(--size);
    left: var(--left);
    bottom: -20px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(60,232,214,0.7), transparent);
    animation: particleFloat var(--dur) var(--delay) linear infinite;
    will-change: transform;
}

@keyframes particleFloat {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 0.8;
    }
    100% {
        transform: translateY(calc(-110vh)) translateX(var(--drift));
        opacity: 0;
    }
}

/* ---------- Navigation Rosette ---------- */
.nav-rosette {
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    z-index: 100;
    width: 180px;
    height: 180px;
}

.nav-hex {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    clip-path: var(--hex-clip);
    background: linear-gradient(135deg, var(--trench-ink), var(--sea-glass));
    border: none;
    cursor: pointer;
    text-decoration: none;
    color: var(--linen-cream);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.nav-hex:hover {
    background: linear-gradient(135deg, var(--sea-glass), #254a6a);
    transform: scale(1.1);
}

.nav-center {
    width: 54px;
    height: 62px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    background: linear-gradient(135deg, var(--cottage-amber), #b88a35);
}

.nav-center .nav-hex-inner {
    font-family: var(--font-headline);
    font-size: 1.4rem;
    color: var(--abyssal-navy);
    font-weight: 400;
}

.nav-center:hover {
    background: linear-gradient(135deg, #e6b350, var(--cottage-amber));
    transform: translate(-50%, -50%) scale(1.1);
}

.nav-sat {
    width: 42px;
    height: 48px;
    opacity: 1;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.nav-label {
    font-family: var(--font-accent);
    font-size: 7px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--linen-cream);
}

/* Satellite hex positions (hex rosette, 60-degree increments) */
.nav-sat-1 { top: 4px;   left: 50%; transform: translateX(-50%); }
.nav-sat-2 { top: 28px;  left: calc(50% + 48px); transform: translateX(-50%); }
.nav-sat-3 { top: 80px;  left: calc(50% + 48px); transform: translateX(-50%); }
.nav-sat-4 { top: 104px; left: 50%; transform: translateX(-50%); }
.nav-sat-5 { top: 80px;  left: calc(50% - 48px); transform: translateX(-50%); }
.nav-sat-6 { top: 28px;  left: calc(50% - 48px); transform: translateX(-50%); }

/* Mobile nav collapse */
@media (max-width: 768px) {
    .nav-rosette {
        width: 60px;
        height: 60px;
    }
    .nav-rosette .nav-sat {
        opacity: 0;
        pointer-events: none;
        transform: translate(-50%, -50%) scale(0.5);
        top: 50%;
        left: 50%;
    }
    .nav-rosette.expanded {
        width: 180px;
        height: 180px;
    }
    .nav-rosette.expanded .nav-sat-1 { top: 4px;   left: 50%; opacity: 1; pointer-events: auto; transform: translateX(-50%); }
    .nav-rosette.expanded .nav-sat-2 { top: 28px;  left: calc(50% + 48px); opacity: 1; pointer-events: auto; transform: translateX(-50%); }
    .nav-rosette.expanded .nav-sat-3 { top: 80px;  left: calc(50% + 48px); opacity: 1; pointer-events: auto; transform: translateX(-50%); }
    .nav-rosette.expanded .nav-sat-4 { top: 104px; left: 50%; opacity: 1; pointer-events: auto; transform: translateX(-50%); }
    .nav-rosette.expanded .nav-sat-5 { top: 80px;  left: calc(50% - 48px); opacity: 1; pointer-events: auto; transform: translateX(-50%); }
    .nav-rosette.expanded .nav-sat-6 { top: 28px;  left: calc(50% - 48px); opacity: 1; pointer-events: auto; transform: translateX(-50%); }
}

/* ---------- Honeycomb Container ---------- */
.honeycomb-container {
    position: relative;
    z-index: 2;
    max-width: 1300px;
    margin: 0 auto;
    padding: 100px 20px 60px;
    opacity: 0;
    transition: opacity 0.8s ease-out;
}

.honeycomb-container.visible {
    opacity: 1;
}

/* ---------- Kelp SVG ---------- */
.kelp-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: visible;
}

.kelp-tendril {
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    transition: stroke-dashoffset 3s ease-out;
}

.kelp-tendril.drawn {
    stroke-dashoffset: 0;
}

/* ---------- Art Deco Fan Arcs ---------- */
.deco-fan {
    width: 200px;
    height: 100px;
    margin: 40px auto;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: scaleY(0);
    transform-origin: bottom center;
    transition: all 0.6s ease-out;
}

.deco-fan.revealed {
    opacity: 0.5;
    transform: scaleY(1);
}

.deco-fan::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 200px;
    height: 200px;
    transform: translateX(-50%);
    background: conic-gradient(
        from 180deg at 50% 100%,
        transparent 0deg,
        rgba(212,160,67,0.15) 1deg,
        transparent 2deg,
        transparent 18deg,
        rgba(212,160,67,0.15) 19deg,
        transparent 20deg,
        transparent 38deg,
        rgba(212,160,67,0.15) 39deg,
        transparent 40deg,
        transparent 58deg,
        rgba(212,160,67,0.15) 59deg,
        transparent 60deg,
        transparent 78deg,
        rgba(212,160,67,0.15) 79deg,
        transparent 80deg,
        transparent 98deg,
        rgba(212,160,67,0.15) 99deg,
        transparent 100deg,
        transparent 118deg,
        rgba(212,160,67,0.15) 119deg,
        transparent 120deg,
        transparent 138deg,
        rgba(212,160,67,0.15) 139deg,
        transparent 140deg,
        transparent 158deg,
        rgba(212,160,67,0.15) 159deg,
        transparent 160deg,
        transparent 178deg,
        rgba(212,160,67,0.15) 179deg,
        transparent 180deg
    );
    border-radius: 50%;
}

/* ---------- Hex Row Layout ---------- */
.hex-row {
    display: flex;
    justify-content: center;
    gap: 24px;
    position: relative;
    z-index: 2;
}

.hex-row-1 {
    margin-bottom: -30px;
}

.hex-row-2 {
    margin-bottom: -30px;
    margin-left: calc(var(--hex-width) / 2 + 12px);
}

.hex-row-3 {
    margin-bottom: -30px;
}

.hex-row-4 {
    margin-left: calc(var(--hex-width) / 2 + 12px);
    margin-bottom: 40px;
}

/* ---------- Hex Cell ---------- */
.hex-cell {
    width: var(--hex-width);
    aspect-ratio: 1 / 1.1547;
    clip-path: var(--hex-clip);
    background: linear-gradient(135deg, var(--trench-ink), var(--sea-glass));
    box-shadow: inset 0 0 30px rgba(60,232,214,0.08), 0 0 20px rgba(212,160,67,0.12), 0 8px 32px rgba(11,26,46,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: default;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    flex-shrink: 0;

    /* Pre-reveal state */
    opacity: 0;
    transform: scale(0.7) rotate(-8deg);
    filter: blur(4px);
}

.hex-cell.revealed {
    opacity: 1;
    transform: scale(1) rotate(0deg);
    filter: blur(0);
}

.hex-cell:hover {
    transform: scale(1.04);
    box-shadow: inset 0 0 50px rgba(60,232,214,0.15), 0 0 30px rgba(212,160,67,0.2), 0 12px 40px rgba(11,26,46,0.7);
}

.hex-cell:hover .hex-glow {
    opacity: 1;
}

/* Hex glow on hover */
.hex-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(212,160,67,0.08) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    animation: hexPulse 2s ease-in-out infinite;
}

@keyframes hexPulse {
    0%, 100% { transform: scale(0.95); }
    50% { transform: scale(1.05); }
}

/* ---------- Hex Content ---------- */
.hex-content {
    text-align: center;
    padding: 50px 35px;
    position: relative;
    z-index: 2;
}

.hex-title {
    font-family: var(--font-headline);
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    font-weight: 400;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--cottage-amber);
    margin-bottom: 0.8em;
    text-shadow: 0 0 20px rgba(212,160,67,0.3);
}

.hex-body {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 15px;
    line-height: 1.75;
    color: var(--linen-cream);
    opacity: 0.9;
}

.hex-cta {
    display: inline-block;
    margin-top: 1em;
    font-family: var(--font-accent);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--jellyfish-cyan);
    text-decoration: none;
    border-bottom: 1px solid rgba(60,232,214,0.3);
    padding-bottom: 3px;
    transition: all 0.3s ease;
}

.hex-cta:hover {
    color: var(--linen-cream);
    border-color: var(--linen-cream);
    text-shadow: 0 0 10px rgba(60,232,214,0.5);
}

/* ---------- Crystal Formation ---------- */
.crystal-formation {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 6px;
    margin: 60px auto;
    height: 80px;
    position: relative;
    z-index: 2;
}

.crystal {
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 40px solid rgba(212,160,67,0.15);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.crystal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.crystal-1 { border-bottom-width: 30px; border-left-width: 5px; border-right-width: 5px; transition-delay: 0s; }
.crystal-2 { border-bottom-width: 50px; border-left-width: 7px; border-right-width: 7px; transition-delay: 0.1s; }
.crystal-3 { border-bottom-width: 65px; border-left-width: 10px; border-right-width: 10px; transition-delay: 0.2s; border-bottom-color: rgba(212,160,67,0.25); }
.crystal-4 { border-bottom-width: 45px; border-left-width: 6px; border-right-width: 6px; transition-delay: 0.3s; }
.crystal-5 { border-bottom-width: 35px; border-left-width: 5px; border-right-width: 5px; transition-delay: 0.4s; }

/* ---------- Porthole Section ---------- */
.porthole-section {
    display: flex;
    justify-content: center;
    margin: 80px auto;
    position: relative;
    z-index: 2;
}

.porthole {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.porthole-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 6px solid var(--cottage-amber);
    box-shadow:
        inset 0 0 30px rgba(212,160,67,0.2),
        0 0 40px rgba(212,160,67,0.15),
        inset 0 0 60px rgba(11,26,46,0.5);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s ease-out;
}

.porthole-ring.revealed {
    opacity: 1;
    transform: scale(1);
}

.porthole-glass {
    width: 85%;
    height: 85%;
    border-radius: 50%;
    background: radial-gradient(circle at 40% 40%, rgba(212,160,67,0.12), var(--trench-ink) 70%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.porthole-light {
    position: absolute;
    top: -20%;
    left: -20%;
    width: 140%;
    height: 140%;
    background: radial-gradient(circle at 35% 35%, rgba(212,160,67,0.15), transparent 50%);
    animation: portholeGlow 4s ease-in-out infinite alternate;
}

@keyframes portholeGlow {
    0% { opacity: 0.5; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.1); }
}

.porthole-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 30px;
}

/* ---------- Footer ---------- */
.site-footer {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 20px 40px;
}

.footer-hex {
    width: 30px;
    height: 34px;
    clip-path: var(--hex-clip);
    background: var(--cottage-amber);
    margin: 0 auto 20px;
    opacity: 0.5;
}

.footer-text {
    font-family: var(--font-accent);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--pearl-gray);
    opacity: 0.5;
}

/* ---------- Tablet (max-width: 1024px) ---------- */
@media (max-width: 1024px) {
    :root {
        --hex-width: 300px;
    }

    .hex-row-2,
    .hex-row-4 {
        margin-left: calc(var(--hex-width) / 2 + 8px);
    }

    .hex-content {
        padding: 40px 25px;
    }

    .hex-row-3 {
        flex-wrap: wrap;
    }
}

/* ---------- Mobile (max-width: 768px) ---------- */
@media (max-width: 768px) {
    :root {
        --hex-width: 100%;
    }

    .hex-row {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .hex-row-2,
    .hex-row-4 {
        margin-left: 0;
    }

    .hex-cell {
        width: 92vw;
        max-width: 420px;
        clip-path: polygon(50% 0%, 100% 5%, 100% 95%, 50% 100%, 0% 95%, 0% 5%);
    }

    .hex-content {
        padding: 50px 30px;
    }

    .honeycomb-container {
        padding: 60px 10px 40px;
    }

    .porthole {
        width: 250px;
        height: 250px;
    }

    .deco-fan {
        width: 140px;
        height: 70px;
    }
}

/* ---------- Small Mobile (max-width: 480px) ---------- */
@media (max-width: 480px) {
    .hero-title {
        letter-spacing: 0.15em;
    }

    .hex-content {
        padding: 40px 20px;
    }

    .hex-body {
        font-size: 14px;
    }
}