/* ==========================================================================
   bada.studio - Isometric Retro-Technical Design
   Color Palette: Ocean-Deep
   Typography: Bebas Neue / DM Sans / IBM Plex Mono
   ========================================================================== */

/* --- CSS Custom Properties --- */
:root {
    --abyss-black: #060d18;
    --abyssal-ink: #0b1a2b;
    --nautical-slate: #1a3050;
    --deep-current: #142840;
    --sonar-teal: #1a8a7a;
    --seafoam-bright: #3dd6b0;
    --coral-signal: #e8735a;
    --seafoam-mist: #b8e0d8;
    --bleached-shell: #e8f0ec;
    --bioluminescent: #64f0d0;

    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;

    --iso-depth: 30px;
    --block-shadow: 8px 8px 0px rgba(6, 13, 24, 0.6);
}

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

html {
    overflow: hidden;
    height: 100%;
}

body {
    font-family: var(--font-body);
    background-color: var(--abyss-black);
    color: var(--seafoam-mist);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    position: relative;
}

/* --- Entry Overlay --- */
#entry-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--abyss-black);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s ease;
}

#entry-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

#logo-cube {
    width: 160px;
    height: 160px;
}

#cube-path {
    stroke-dasharray: 1200;
    stroke-dashoffset: 1200;
}

#cube-path.animate {
    animation: drawCube 1500ms cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

@keyframes drawCube {
    to {
        stroke-dashoffset: 0;
    }
}

#logo-text {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    letter-spacing: 0.15em;
    color: var(--bleached-shell);
    line-height: 0.95;
    margin-top: 20px;
    overflow: hidden;
}

#logo-text .letter {
    display: inline-block;
    opacity: 0;
    transform: translateY(10px);
}

#logo-text .letter.show {
    animation: letterIn 400ms ease forwards;
}

@keyframes letterIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Ground Plane --- */
#ground-plane {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.8s ease;
}

#ground-plane.visible {
    opacity: 1;
}

#grid-svg {
    width: 100%;
    height: 100%;
}

/* --- Floating Micro Elements --- */
#floating-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
    overflow: hidden;
}

.micro-cube {
    position: absolute;
    width: 0;
    height: 0;
    will-change: transform;
}

.micro-cube .mc-top,
.micro-cube .mc-left,
.micro-cube .mc-right {
    position: absolute;
    width: 0;
    height: 0;
}

.micro-cube .mc-top {
    border-left: var(--mc-size) solid transparent;
    border-right: var(--mc-size) solid transparent;
    border-bottom: calc(var(--mc-size) * 0.5) solid var(--mc-color);
    transform: translate(calc(var(--mc-size) * -1), calc(var(--mc-size) * -0.5));
}

.micro-cube .mc-left {
    border-top: calc(var(--mc-size) * 0.5) solid transparent;
    border-bottom: calc(var(--mc-size) * 0.5) solid transparent;
    border-right: var(--mc-size) solid var(--mc-color);
    opacity: 0.7;
    transform: translate(calc(var(--mc-size) * -1), 0);
}

.micro-cube .mc-right {
    border-top: calc(var(--mc-size) * 0.5) solid transparent;
    border-bottom: calc(var(--mc-size) * 0.5) solid transparent;
    border-left: var(--mc-size) solid var(--mc-color);
    opacity: 0.5;
}

@keyframes float0 {
    0% { transform: translate(0, 0); }
    25% { transform: translate(30px, -15px); }
    50% { transform: translate(60px, 0); }
    75% { transform: translate(30px, 15px); }
    100% { transform: translate(0, 0); }
}

@keyframes float1 {
    0% { transform: translate(0, 0); }
    25% { transform: translate(-25px, -20px); }
    50% { transform: translate(-50px, 5px); }
    75% { transform: translate(-25px, 20px); }
    100% { transform: translate(0, 0); }
}

@keyframes float2 {
    0% { transform: translate(0, 0); }
    25% { transform: translate(20px, 25px); }
    50% { transform: translate(45px, 10px); }
    75% { transform: translate(20px, -15px); }
    100% { transform: translate(0, 0); }
}

@keyframes float3 {
    0% { transform: translate(0, 0); }
    25% { transform: translate(-35px, 10px); }
    50% { transform: translate(-15px, -20px); }
    75% { transform: translate(20px, -5px); }
    100% { transform: translate(0, 0); }
}

/* --- Scanline Overlay --- */
#scanline-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 4;
    pointer-events: none;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0px,
        transparent 2px,
        rgba(6, 13, 24, 0.08) 2px,
        rgba(6, 13, 24, 0.08) 3px
    );
}

/* --- Isometric Stage --- */
#iso-stage {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

/* --- Isometric Rooms --- */
.iso-room {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 30px;
    padding: 60px 40px;
    pointer-events: none;
    opacity: 0;
}

.iso-room.active {
    pointer-events: auto;
    opacity: 1;
}

.iso-room .iso-block {
    opacity: 0;
    transform: translateY(40px);
}

.iso-room.active .iso-block {
    opacity: 1;
    transform: translateY(0);
    transition: transform 500ms cubic-bezier(0.34, 1.56, 0.64, 1),
                opacity 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.iso-room.active .iso-block[data-index="0"] { transition-delay: 0ms; }
.iso-room.active .iso-block[data-index="1"] { transition-delay: 120ms; }
.iso-room.active .iso-block[data-index="2"] { transition-delay: 240ms; }
.iso-room.active .iso-block[data-index="3"] { transition-delay: 360ms; }
.iso-room.active .iso-block[data-index="4"] { transition-delay: 480ms; }

.iso-room.exiting .iso-block {
    opacity: 0;
    transform: translateY(40px);
    transition: transform 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94),
                opacity 400ms ease;
}

.iso-room.exiting .iso-block[data-index="0"] { transition-delay: 0ms; }
.iso-room.exiting .iso-block[data-index="1"] { transition-delay: 60ms; }
.iso-room.exiting .iso-block[data-index="2"] { transition-delay: 120ms; }
.iso-room.exiting .iso-block[data-index="3"] { transition-delay: 180ms; }
.iso-room.exiting .iso-block[data-index="4"] { transition-delay: 240ms; }

/* --- Isometric Blocks --- */
.iso-block {
    position: relative;
    cursor: pointer;
    filter: drop-shadow(var(--block-shadow));
    transition: transform 300ms ease-out, filter 300ms ease-out;
}

.iso-block:hover {
    transform: translateY(-4px);
    filter: drop-shadow(12px 12px 0px rgba(6, 13, 24, 0.6));
}

.block-top {
    background-color: var(--nautical-slate);
    padding: 28px 24px;
    position: relative;
    z-index: 2;
}

.block-left {
    position: absolute;
    bottom: calc(var(--iso-depth) * -0.5);
    left: 0;
    width: 100%;
    height: var(--iso-depth);
    background-color: #122540;
    transform: skewY(-3deg);
    transform-origin: top left;
    z-index: 1;
}

.block-right {
    position: absolute;
    top: var(--iso-depth);
    right: calc(var(--iso-depth) * -0.4);
    width: var(--iso-depth);
    height: calc(100% - var(--iso-depth));
    background-color: #0f1f38;
    transform: skewX(-6deg);
    transform-origin: top left;
    z-index: 1;
}

/* Block sizing */
.block-hero {
    width: min(420px, 85vw);
    text-align: center;
}

.block-tagline {
    width: min(340px, 80vw);
}

.block-cta {
    width: min(200px, 60vw);
    text-align: center;
}

.block-work-main,
.block-about-main,
.block-process-main,
.block-contact-main {
    width: min(380px, 85vw);
}

.block-work-item,
.block-about-text,
.block-about-values,
.block-about-philosophy,
.block-process-step,
.block-contact-info,
.block-contact-email,
.block-contact-social {
    width: min(300px, 80vw);
}

/* --- Retro Pattern Textures --- */
.has-hatch {
    background-image: url("data:image/svg+xml,%3Csvg width='8' height='8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 8L8 0' stroke='%231a8a7a' stroke-width='1' opacity='0.06'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-color: var(--nautical-slate);
    transition: background-image 300ms ease;
}

.iso-block:hover .has-hatch {
    background-image: url("data:image/svg+xml,%3Csvg width='8' height='8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 8L8 0' stroke='%231a8a7a' stroke-width='1' opacity='0.12'/%3E%3C/svg%3E");
}

.has-chevron {
    background-image: url("data:image/svg+xml,%3Csvg width='16' height='8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 8L8 0L16 8' stroke='%23e8735a' stroke-width='1' fill='none' opacity='0.05'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-color: var(--nautical-slate);
}

.iso-block:hover .has-chevron {
    background-image: url("data:image/svg+xml,%3Csvg width='16' height='8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 8L8 0L16 8' stroke='%23e8735a' stroke-width='1' fill='none' opacity='0.10'/%3E%3C/svg%3E");
}

/* --- Typography --- */
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 400;
    letter-spacing: 0.15em;
    line-height: 0.95;
    color: var(--bleached-shell);
    margin-top: 16px;
}

.hero-title .dot {
    color: var(--coral-signal);
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    font-weight: 400;
    line-height: 1.65;
    letter-spacing: 0.01em;
    color: rgba(184, 224, 216, 0.85);
    margin-top: 12px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 400;
    letter-spacing: 0.15em;
    line-height: 0.95;
    color: var(--bleached-shell);
    margin-top: 12px;
}

.item-title {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    font-weight: 400;
    letter-spacing: 0.15em;
    line-height: 0.95;
    color: var(--bleached-shell);
    margin-bottom: 8px;
}

.mono-label {
    font-family: var(--font-mono);
    font-size: clamp(0.7rem, 0.9vw, 0.85rem);
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--sonar-teal);
    text-transform: uppercase;
    display: block;
}

.block-text {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    font-weight: 400;
    line-height: 1.65;
    letter-spacing: 0.01em;
    color: rgba(184, 224, 216, 0.85);
    margin-top: 8px;
}

.step-number {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3vw, 2.5rem);
    letter-spacing: 0.15em;
    line-height: 0.95;
    color: var(--coral-signal);
    display: block;
    margin-bottom: 4px;
}

.cta-text {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    letter-spacing: 0.15em;
    line-height: 0.95;
    color: var(--coral-signal);
    display: block;
    padding: 8px 0;
    transition: color 300ms ease;
}

.block-cta:hover .cta-text {
    color: var(--seafoam-bright);
}

.contact-link {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    letter-spacing: 0.15em;
    line-height: 0.95;
    color: var(--seafoam-bright);
    text-decoration: none;
    display: block;
    margin-top: 8px;
    transition: color 300ms ease;
}

.contact-link:hover {
    color: var(--bioluminescent);
}

/* --- Section Icons --- */
.section-icon {
    width: 80px;
    height: 80px;
    display: block;
    margin: 0 auto;
}

.draw-path {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
}

.iso-room.active .draw-path {
    animation: drawPath 1200ms cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

.iso-block:hover .draw-path {
    animation: drawPath 1200ms cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

@keyframes drawPath {
    to {
        stroke-dashoffset: 0;
    }
}

/* --- Block Overlay (Expanded) --- */
#block-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    pointer-events: none;
    opacity: 0;
    transition: opacity 300ms ease;
}

#block-overlay.active {
    pointer-events: auto;
    opacity: 1;
}

#block-overlay-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(6, 13, 24, 0.6);
}

#block-expanded {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    max-width: 700px;
    max-height: 80vh;
    overflow-y: auto;
    background: var(--nautical-slate);
    padding: 40px;
    filter: drop-shadow(var(--block-shadow));
}

#block-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--seafoam-mist);
    background: none;
    border: none;
    cursor: pointer;
    transition: color 200ms ease;
}

#block-close:hover {
    color: var(--coral-signal);
}

#block-expanded-content .expanded-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    letter-spacing: 0.15em;
    line-height: 0.95;
    color: var(--bleached-shell);
    margin-bottom: 16px;
}

#block-expanded-content .expanded-text {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    font-weight: 400;
    line-height: 1.65;
    letter-spacing: 0.01em;
    color: rgba(184, 224, 216, 0.85);
}

/* --- Compass Rose Navigation --- */
#compass-rose {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 50;
    cursor: pointer;
}

#compass-cube {
    width: 48px;
    height: 48px;
    position: relative;
    transition: transform 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

#compass-rose:hover #compass-cube {
    transform: scale(2.5);
}

.compass-face {
    position: absolute;
    transition: transform 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.compass-top {
    width: 48px;
    height: 24px;
    top: 0;
    left: 0;
    background: var(--nautical-slate);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    display: flex;
    align-items: center;
    justify-content: center;
}

#compass-rose:hover .compass-top {
    transform: translateY(-4px);
}

.compass-left {
    width: 24px;
    height: 24px;
    bottom: 0;
    left: 0;
    background: #122540;
    clip-path: polygon(0% 0%, 100% 50%, 100% 100%, 0% 50%);
    display: flex;
    align-items: center;
    justify-content: center;
}

#compass-rose:hover .compass-left {
    transform: translate(-4px, 4px);
}

.compass-right {
    width: 24px;
    height: 24px;
    bottom: 0;
    right: 0;
    background: #0f1f38;
    clip-path: polygon(0% 50%, 100% 0%, 100% 50%, 0% 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

#compass-rose:hover .compass-right {
    transform: translate(4px, 4px);
}

.compass-crosshair {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--sonar-teal);
    transition: opacity 300ms ease;
}

#compass-rose:hover .compass-crosshair {
    opacity: 0;
}

.compass-label {
    font-family: var(--font-display);
    font-size: 0;
    letter-spacing: 0.15em;
    color: var(--bleached-shell);
    opacity: 0;
    transition: font-size 400ms ease, opacity 400ms ease;
    white-space: nowrap;
    pointer-events: none;
}

#compass-rose:hover .compass-label {
    font-size: 0.45rem;
    opacity: 1;
    pointer-events: auto;
}

.compass-label.active-label {
    text-shadow: 0 0 8px rgba(61, 214, 176, 0.6);
    color: var(--seafoam-bright);
}

.compass-bottom-label {
    display: block;
    text-align: center;
    font-family: var(--font-display);
    font-size: 0;
    letter-spacing: 0.15em;
    color: var(--bleached-shell);
    opacity: 0;
    margin-top: 4px;
    transition: font-size 400ms ease, opacity 400ms ease;
    pointer-events: none;
}

#compass-rose:hover .compass-bottom-label {
    font-size: 0.45rem;
    opacity: 1;
    pointer-events: auto;
    cursor: pointer;
}

.compass-bottom-label.active-label {
    text-shadow: 0 0 8px rgba(61, 214, 176, 0.6);
    color: var(--seafoam-bright);
}

/* Compass cube rotation during transition */
#compass-cube.rotating {
    animation: cubeRotate 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes cubeRotate {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(90deg); }
}

/* --- Mobile Navigation --- */
#mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    background: var(--abyssal-ink);
    border-top: 1px solid rgba(26, 138, 122, 0.3);
    padding: 10px 0;
    justify-content: space-around;
}

.mobile-nav-btn {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--seafoam-mist);
    background: none;
    border: none;
    padding: 8px 6px;
    cursor: pointer;
    transition: color 200ms ease;
}

.mobile-nav-btn.active {
    color: var(--seafoam-bright);
    text-shadow: 0 0 8px rgba(61, 214, 176, 0.6);
}

.mobile-nav-btn:hover {
    color: var(--seafoam-bright);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    #compass-rose {
        display: none;
    }

    #mobile-nav {
        display: flex;
    }

    .iso-room {
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 30px 20px 80px;
        overflow-y: auto;
        gap: 20px;
    }

    .block-hero,
    .block-tagline,
    .block-cta,
    .block-work-main,
    .block-work-item,
    .block-about-main,
    .block-about-text,
    .block-about-values,
    .block-about-philosophy,
    .block-process-main,
    .block-process-step,
    .block-contact-main,
    .block-contact-info,
    .block-contact-email,
    .block-contact-social {
        width: 90vw;
        max-width: 400px;
    }

    .block-right {
        display: none;
    }

    .block-left {
        height: 20px;
    }

    .hero-title {
        font-size: clamp(2.2rem, 10vw, 3.5rem);
    }

    #block-expanded {
        width: 92%;
        padding: 24px;
    }

    .section-icon {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 480px) {
    .iso-room {
        padding: 20px 12px 80px;
        gap: 16px;
    }

    .block-top {
        padding: 20px 16px;
    }

    .mobile-nav-btn {
        font-size: 0.65rem;
        padding: 8px 3px;
    }
}