/* ================================================
   AYAN PORTFOLIO — MONOCHROME JAPANESE FLAGSHIP
   ================================================ */

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

:root {
    --bg: #fafafa;
    --bg-alt: #f0f0f0;
    --text: #1a1a1a;
    --text-muted: #666;
    --text-light: #999;
    --border: #e0e0e0;
    --border-dark: #ccc;
    --accent: #1a1a1a;
    --white: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --font-mono: 'Space Mono', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-jp: 'Noto Serif JP', serif;
    --sidebar-w: 80px;
    --topnav-h: 50px;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: clip;
    scrollbar-width: thin;
    scrollbar-color: #1a1a1a #f0f0f0;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    cursor: none;
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-alt); }
::-webkit-scrollbar-thumb { background: var(--text); border-radius: 3px; }

::selection {
    background: var(--text);
    color: var(--white);
}

/* === SCROLL PROGRESS BAR === */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--text);
    transform-origin: left center;
    transform: scaleX(0);
    z-index: 10001;
    pointer-events: none;
}

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

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

/* === PRELOADER === */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#waterfall-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.12; /* Subtle transparency so it sits behind the grid and text elegantly */
    pointer-events: none;
}

.preloader-grid {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.preloader-line {
    position: absolute;
    background: rgba(26, 26, 26, 0.05);
    transition: transform 1.2s var(--ease-out-expo);
}

.preloader-line-h {
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    transform: scaleX(0);
}

.preloader-line-v {
    top: 0;
    left: 50%;
    width: 1px;
    height: 100%;
    transform: scaleY(0);
}

#preloader.active .preloader-line-h {
    transform: scaleX(1);
}

#preloader.active .preloader-line-v {
    transform: scaleY(1);
}

.preloader-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.preloader-kanji {
    font-family: var(--font-jp);
    font-size: 0.95rem;
    letter-spacing: 4px;
    color: rgba(26, 26, 26, 0.4);
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.preloader-logo-wrapper {
    margin-bottom: 2.5rem;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

.preloader-logo {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text);
}

.preloader-subtitle {
    font-family: var(--font-sans);
    font-size: 0.6rem;
    letter-spacing: 5px;
    font-weight: 500;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.preloader-counter {
    font-family: var(--font-mono);
    font-size: 6.5rem;
    font-weight: 300;
    line-height: 1;
    color: var(--text);
    margin-bottom: 2rem;
    letter-spacing: -2px;
    font-variant-numeric: tabular-nums;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.8s ease 0.4s, transform 0.8s ease 0.4s;
}

.preloader-bar {
    width: 280px;
    height: 1px;
    background: rgba(26, 26, 26, 0.1);
    margin-bottom: 1.5rem;
    overflow: hidden;
    position: relative;
    opacity: 0;
    transition: opacity 0.8s ease 0.6s;
}

.preloader-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: var(--text);
}

.preloader-status {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 3px;
    color: var(--text-muted);
    opacity: 0;
    transition: opacity 0.8s ease 0.8s;
}

#preloader.active .preloader-kanji,
#preloader.active .preloader-logo-wrapper,
#preloader.active .preloader-counter,
#preloader.active .preloader-bar,
#preloader.active .preloader-status {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Dismiss transitions */
#preloader.loaded {
    pointer-events: none;
    visibility: hidden;
    transition: visibility 0.8s;
}

#preloader.loaded .preloader-inner {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

#preloader.loaded .preloader-line-h {
    transform: scaleX(0);
    transition: transform 0.6s var(--ease-out-expo);
}

#preloader.loaded .preloader-line-v {
    transform: scaleY(0);
    transition: transform 0.6s var(--ease-out-expo);
}

#preloader.loaded-bg {
    opacity: 0;
    transition: opacity 0.8s var(--ease-out-expo);
}

/* === CUSTOM CURSOR === */
.cursor {
    position: fixed;
    width: 8px;
    height: 8px;
    background: var(--text);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background 0.2s;
    mix-blend-mode: difference;
}

.cursor-follower {
    position: fixed;
    width: 36px;
    height: 36px;
    border: 1px solid var(--text);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width 0.3s var(--ease-out-quart), height 0.3s var(--ease-out-quart), border-color 0.3s;
    mix-blend-mode: difference;
}

body:hover .cursor { background: var(--white); }
body:hover .cursor-follower { border-color: var(--white); }

.cursor.hovering {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.15);
}

.cursor-follower.hovering {
    width: 60px;
    height: 60px;
    border-color: rgba(255,255,255,0.4);
}

/* === GRAIN OVERLAY === */
.grain-overlay {
    position: fixed;
    inset: 0;
    z-index: 9990;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* === LEFT SIDEBAR === */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--white);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 0;
    z-index: 100;
    transition: transform 0.6s var(--ease-out-expo);
}

.sidebar-logo {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    width: 50px;
    text-align: center;
}

.sidebar-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
    justify-content: center;
}

.sidebar-nav .nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 8px;
    border-radius: 8px;
    transition: all 0.3s var(--ease-out-quart);
    position: relative;
}

.sidebar-nav .nav-link svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s var(--ease-out-quart);
}

.sidebar-nav .nav-link span {
    font-family: var(--font-mono);
    font-size: 0.5rem;
    letter-spacing: 1px;
    color: var(--text-muted);
    transition: color 0.3s;
}

.sidebar-nav .nav-link:hover svg {
    transform: scale(1.15);
}

.sidebar-nav .nav-link:hover span {
    color: var(--text);
}

.sidebar-nav .nav-link.active {
    background: var(--bg-alt);
}

.sidebar-nav .nav-link.active span {
    color: var(--text);
    font-weight: 700;
}

.sidebar-nav .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%) scaleY(0);
    width: 3px;
    height: 20px;
    background: var(--text);
    border-radius: 0 2px 2px 0;
    transition: transform 0.3s var(--ease-out-quart);
}

.sidebar-nav .nav-link.active::before {
    transform: translateY(-50%) scaleY(1);
}

/* === TOP NAVIGATION === */
.topnav {
    position: fixed;
    top: 0;
    left: var(--sidebar-w);
    right: 0;
    height: var(--topnav-h);
    background: rgba(250, 250, 250, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    z-index: 99;
    transition: transform 0.4s var(--ease-out-expo), background 0.3s;
}

.topnav.hidden {
    transform: translateY(-100%);
}

.topnav-link {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    transition: color 0.3s;
    position: relative;
    padding: 4px 0;
}

.topnav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--text);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s var(--ease-out-expo);
}

.topnav-link:hover,
.topnav-link.active {
    color: var(--text);
}

.topnav-link:hover::after,
.topnav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* === MAIN CONTENT === */
.main-content {
    margin-left: var(--sidebar-w);
    padding-top: var(--topnav-h);
    position: relative;
}

/* === SECTIONS COMMON === */
.section {
    padding: 5rem 4rem;
    position: relative;
}

.section-divider {
    width: 100%;
    height: 1px;
    background: var(--border);
    margin-bottom: 3rem;
}

.section-header {
    margin-bottom: 3rem;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: var(--text-muted);
    display: block;
    margin-bottom: 0.75rem;
}

.section-title {
    font-family: var(--font-mono);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    letter-spacing: 2px;
    line-height: 1.2;
}

/* === HERO SECTION === */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: var(--topnav-h);
    padding-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-greeting {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 4px;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.hero-name {
    font-family: var(--font-mono);
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 700;
    line-height: 0.9;
    letter-spacing: -2px;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}

.hero-name-line {
    display: block;
    position: relative;
}

.hero-underscore {
    color: var(--text-light);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-tagline {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 4px;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text);
    margin-bottom: 1rem;
    max-width: 420px;
}

.hero-sub {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 400px;
}

/* Hero CTA Buttons */
.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 2px;
    padding: 14px 28px;
    border: 1px solid var(--text);
    background: transparent;
    color: var(--text);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
    cursor: none;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--text);
    transform: translateY(100%);
    transition: transform 0.4s var(--ease-out-expo);
    z-index: -1;
}

.btn:hover::before {
    transform: translateY(0);
}

.btn:hover {
    color: var(--white);
}

.btn:active, .nav-link:active, .topnav-link:active, .sticky-cta:active {
    transform: scale(0.92) !important;
    transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.btn-arrow {
    font-size: 0.9rem;
    transition: transform 0.3s var(--ease-out-quart);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

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

.btn-primary::before {
    background: var(--white);
    transform: translateY(-100%);
}

.btn-primary:hover {
    color: var(--text);
}

.btn-primary:hover::before {
    transform: translateY(0);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-moon {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #f5f5f5, #e0e0e0 40%, #d0d0d0 70%, #c0c0c0);
    box-shadow: 0 0 60px rgba(0,0,0,0.08), inset -20px -20px 40px rgba(0,0,0,0.05);
    position: absolute;
    top: 10%;
    right: 15%;
    z-index: 1;
}

.hero-branch {
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 500px;
    z-index: 2;
}

.sakura-branch svg {
    width: 100%;
    height: 100%;
}

.branch-path {
    stroke-dasharray: 800;
    stroke-dashoffset: 800;
}

/* Sakura Flowers */
.sakura-flower {
    position: absolute;
    width: 28px;
    height: 28px;
    z-index: 3;
    opacity: 0;
    transform: scale(0); /* Starts at scale 0 to enable the bloom GSAP growth! */
    transform-origin: center center;
}

.sakura-flower.small {
    width: 18px;
    height: 18px;
}

.sakura-flower::before,
.sakura-flower::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50% 0 50% 0;
    background: rgba(255, 182, 193, 0.65); /* Elegant, soft rose pink cherry blossom background */
    border: 1px solid rgba(224, 120, 138, 0.4); /* Delicate pink outline */
    box-shadow: 0 2px 5px rgba(224, 120, 138, 0.15); /* Tiny shadow for depth */
}

.sakura-flower::before {
    transform: rotate(0deg);
}

.sakura-flower::after {
    transform: rotate(90deg);
}

/* Floating Petals */
.petal {
    position: absolute;
    width: 12px;
    height: 8px;
    background: rgba(255, 182, 193, 0.55); /* Matching rose pink for floating petals */
    border: 1px solid rgba(224, 120, 138, 0.25);
    border-radius: 50% 0 50% 0;
    z-index: 5;
    opacity: 0;
}

.petal-1 { top: 15%; right: 20%; animation: petalFall1 8s linear infinite 0s; }
.petal-2 { top: 10%; right: 35%; animation: petalFall2 10s linear infinite 1s; }
.petal-3 { top: 5%; right: 25%; animation: petalFall3 9s linear infinite 2s; }
.petal-4 { top: 20%; right: 40%; animation: petalFall1 11s linear infinite 3s; }
.petal-5 { top: 8%; right: 15%; animation: petalFall2 7s linear infinite 4s; }
.petal-6 { top: 25%; right: 30%; animation: petalFall3 12s linear infinite 5s; }
.petal-7 { top: 12%; right: 45%; animation: petalFall1 9s linear infinite 6s; }
.petal-8 { top: 18%; right: 10%; animation: petalFall2 8s linear infinite 7s; }

@keyframes petalFall1 {
    0% { transform: translate(0, 0) rotate(0deg); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.3; }
    100% { transform: translate(-120px, 500px) rotate(720deg); opacity: 0; }
}

@keyframes petalFall2 {
    0% { transform: translate(0, 0) rotate(0deg); opacity: 0; }
    10% { opacity: 0.5; }
    90% { opacity: 0.2; }
    100% { transform: translate(-80px, 550px) rotate(-540deg); opacity: 0; }
}

@keyframes petalFall3 {
    0% { transform: translate(0, 0) rotate(0deg); opacity: 0; }
    10% { opacity: 0.4; }
    90% { opacity: 0.2; }
    100% { transform: translate(-150px, 480px) rotate(450deg); opacity: 0; }
}

/* Hero Kanji */
.hero-kanji {
    position: absolute;
    right: 3rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 2px;
    z-index: 10;
}

.kanji-char {
    font-family: var(--font-jp);
    font-size: 1.3rem;
    color: var(--text);
    opacity: 0.6;
    line-height: 1.5;
    writing-mode: vertical-rl;
}

/* Hero Stamp */
.hero-stamp {
    position: absolute;
    right: 2.5rem;
    bottom: 8rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 2px solid rgba(180, 40, 40, 0.7);
    padding: 8px 6px;
    border-radius: 4px;
    z-index: 10;
}

.hero-stamp span {
    font-family: var(--font-jp);
    font-size: 1.2rem;
    color: rgba(180, 40, 40, 0.7);
    line-height: 1.3;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 10;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--text);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg);
    animation: scrollLineAnim 2s ease-in-out infinite;
}

@keyframes scrollLineAnim {
    0% { top: -100%; }
    100% { top: 100%; }
}

.scroll-indicator span {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    letter-spacing: 3px;
    color: var(--text-muted);
}

/* === WHY WORK WITH ME === */
.why-me-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.why-me-card {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 2.5rem 2rem;
    position: relative;
    transition: all 0.5s var(--ease-out-expo);
    overflow: hidden;
}

.why-me-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--text);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.5s var(--ease-out-expo);
    z-index: 0;
}

.why-me-card:hover::before {
    transform: scaleY(1);
}

.why-me-card:hover {
    border-color: var(--text);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.why-me-card > * {
    position: relative;
    z-index: 1;
    transition: color 0.4s var(--ease-out-quart);
}

.why-me-card:hover > * {
    color: var(--white);
}

.why-me-num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-light);
    display: block;
    margin-bottom: 0.75rem;
    letter-spacing: 1px;
}

.why-me-card:hover .why-me-num {
    color: rgba(255, 255, 255, 0.5);
}

.why-me-heading {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
}

.why-me-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.why-me-card:hover .why-me-text {
    color: rgba(255, 255, 255, 0.7);
}

/* === SERVICES SECTION === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 2rem 1.5rem;
    position: relative;
    transition: all 0.5s var(--ease-out-expo);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--text);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.5s var(--ease-out-expo);
    z-index: 0;
}

.service-card:hover::before {
    transform: scaleY(1);
}

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

.service-card > * {
    position: relative;
    z-index: 1;
    transition: color 0.4s var(--ease-out-quart);
}

.service-card:hover > * {
    color: var(--white);
}

.service-icon {
    width: 48px;
    height: 48px;
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: border-color 0.4s, background 0.4s;
}

.service-card:hover .service-icon {
    border-color: rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.1);
}

.service-icon svg {
    width: 22px;
    height: 22px;
}

.service-icon-text {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
}

.service-number {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-light);
    display: block;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.service-card:hover .service-number {
    color: rgba(255,255,255,0.5);
}

.service-name {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.service-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.service-card:hover .service-desc {
    color: rgba(255,255,255,0.6);
}

.service-arrow {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    transition: transform 0.3s var(--ease-out-quart);
    display: block;
}

.service-card:hover .service-arrow {
    transform: translateX(6px);
}

/* === TECH STACK === */
.techstack-section {
    padding-bottom: 3rem;
}

.techstack-marquee {
    overflow: hidden;
    position: relative;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.marquee-track {
    display: flex;
    gap: 3rem;
    animation: marqueeScroll 30s linear infinite;
    width: max-content;
}

.marquee-track:hover {
    animation-play-state: paused;
}

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 80px;
    padding: 10px;
    transition: transform 0.3s var(--ease-out-quart);
}

.tech-item:hover {
    transform: translateY(-4px);
}

.tech-item svg {
    width: 28px;
    height: 28px;
    color: var(--text);
}

.tech-item span {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    letter-spacing: 1px;
    color: var(--text-muted);
    text-align: center;
}

.tech-icon-text {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--text);
    border-radius: 4px;
}

/* === PORTFOLIO SECTION === */
.portfolio-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.view-all {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    transition: color 0.3s;
}

.view-all:hover {
    color: var(--text);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.project-card {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 0;
    overflow: hidden;
    transition: all 0.5s var(--ease-out-expo);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-dark);
}

.project-image {
    width: 100%;
    height: 200px;
    background: var(--bg-alt);
    overflow: hidden;
    position: relative;
}

.project-img-real {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.6s var(--ease-out-expo);
}

.project-card:hover .project-img-real {
    transform: scale(1.05);
}

.project-image-placeholder {
    width: 100%;
    height: 100%;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.placeholder-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.grid-cell {
    height: 20px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
}

.grid-cell.highlight {
    background: rgba(255,255,255,0.25);
}

.placeholder-chart {
    display: flex;
    gap: 6px;
    align-items: flex-end;
    height: 60px;
}

.chart-bar {
    flex: 1;
    background: rgba(255,255,255,0.2);
    border-radius: 2px 2px 0 0;
    transition: height 0.5s var(--ease-out-expo);
}

.project-card:hover .chart-bar {
    background: rgba(255,255,255,0.35);
}

.chat-line {
    width: 60%;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    margin-top: 8px;
}

.chat-line.short {
    width: 40%;
}

.project-name {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 1rem 1.5rem 0.5rem;
}

.project-tags {
    display: flex;
    gap: 6px;
    padding: 0 1.5rem;
    flex-wrap: wrap;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    letter-spacing: 1px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    padding: 3px 8px;
    border-radius: 2px;
    color: var(--text-muted);
}

.project-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
    padding: 0.75rem 1.5rem 0;
}

.project-arrow {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    display: block;
    padding: 0.75rem 1.5rem 1.5rem;
    transition: transform 0.3s var(--ease-out-quart);
}

.project-card:hover .project-arrow {
    transform: translateX(6px);
}

/* === PROCESS SECTION === */
.process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    position: relative;
}

.process-step {
    text-align: center;
    padding: 2rem 1rem;
    position: relative;
    border: 1px solid var(--border);
    background: var(--white);
    border-radius: 8px;
    transition: all 0.5s var(--ease-out-expo);
}

.process-step:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--text);
}

.step-icon {
    width: 50px;
    height: 50px;
    border: 1.5px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: all 0.4s var(--ease-out-quart);
}

.process-step:hover .step-icon {
    border-color: var(--text);
    background: var(--text);
    color: var(--white);
}

.step-icon svg {
    width: 20px;
    height: 20px;
}

.step-number {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-light);
    letter-spacing: 1px;
    display: block;
    margin-bottom: 0.25rem;
}

.step-name {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.step-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.step-connector {
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    color: var(--text-light);
    z-index: 5;
}

.process-step:last-child .step-connector {
    display: none;
}

/* === CONTACT SECTION === */
.contact-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.contact-sub {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.contact-grid {
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.contact-info-item svg {
    width: 24px;
    height: 24px;
    color: var(--text);
    flex-shrink: 0;
}

.contact-info-item div {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.contact-value {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text);
}

.btn-cta {
    margin-left: auto;
    background: var(--text);
    color: var(--white);
    padding: 16px 36px;
    font-size: 0.8rem;
}

.btn-cta::before {
    background: var(--white);
    transform: translateY(-100%);
}

.btn-cta:hover {
    color: var(--text);
    border-color: var(--text);
}

.btn-cta:hover::before {
    transform: translateY(0);
}

/* === FOOTER === */
.footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem 4rem;
    border-top: 1px solid var(--border);
    margin-left: 0;
}

.footer-left span {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.footer-socials {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    transition: all 0.3s var(--ease-out-quart);
}

.social-link:hover {
    border-color: var(--text);
    background: var(--text);
    color: var(--white);
    transform: translateY(-3px);
}

.social-link svg {
    width: 16px;
    height: 16px;
}

/* ================================================
   MASSIVE ANIMATIONS — SCROLL REVEAL STATES
   ================================================ */

/* Elements start hidden, GSAP animates them in */
[data-animate="fade-up"],
[data-animate="fade-up-delay"],
[data-animate="fade-up-delay-2"],
[data-animate="fade-up-delay-3"],
[data-animate="fade-up-delay-4"] {
    opacity: 0;
    transform: translateY(40px);
}

[data-animate="reveal"] {
    clip-path: inset(0 100% 0 0);
}

[data-animate="fade-in"] {
    opacity: 0;
}

[data-animate="card"],
[data-animate="project"],
[data-animate="step"],
[data-animate="contact"] {
    opacity: 0;
    transform: translateY(50px);
}

[data-animate="kanji"] .kanji-char {
    opacity: 0;
    transform: translateY(20px);
}

[data-animate="stamp"] {
    opacity: 0;
    transform: scale(0.5) rotate(-10deg);
}

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

@media (max-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .step-connector {
        display: none !important;
    }
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
    }
    .hero-visual {
        display: none;
    }
    .hero-kanji {
        right: 2rem;
    }
    .section {
        padding: 4rem 3rem;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .main-content {
        margin-left: 0;
    }
    .topnav {
        left: 0;
        gap: 0.5rem;
        padding: 0 1rem;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }
    .topnav-link {
        padding: 16px 12px;
        scroll-snap-align: center;
        font-size: 0.75rem;
    }
    .section {
        padding: 3rem 1.25rem;
    }
    .hero-name {
        font-size: clamp(3rem, 12vw, 4.5rem);
    }
    .btn {
        padding: 16px 32px;
        font-size: 0.85rem;
        width: 100%;
        justify-content: center;
    }
    .services-grid, .process-grid, .portfolio-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 1.5rem;
        padding-bottom: 1.5rem;
        -webkit-overflow-scrolling: touch;
    }
    .service-card, .process-step, .project-card {
        min-width: 85%;
        scroll-snap-align: center;
    }
    .contact-grid {
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
    }
    .btn-cta {
        margin-left: 0;
        width: 100%;
    }
    .footer {
        flex-direction: column;
        gap: 1.5rem;
        padding: 2.5rem 1.5rem;
        text-align: center;
    }
    .faq-trigger {
        padding: 2rem 0 1rem 0;
        font-size: 1rem;
    }
    .cursor, .cursor-follower {
        display: none !important;
    }
    body { cursor: auto; }
    .btn { cursor: pointer; }
    .hero-kanji, .hero-stamp { display: none; }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 3.2rem;
    }
    .topnav-link {
        font-size: 0.7rem;
    }
    .about-grid {
        gap: 2rem;
    }
    .stat-number {
        font-size: 1.7rem;
    }

}

/* === MAGNETIC BUTTON EFFECT === */
.btn, .service-card, .project-card, .social-link {
    will-change: transform;
}

/* === SMOOTH SECTION TRANSITIONS === */
.section {
    will-change: opacity;
}

/* === PARALLAX LAYER HINTS === */
.hero-moon {
    will-change: transform;
}

.hero-branch {
    will-change: transform;
}

/* === FAQ SECTION === */
.faq-section {
    padding-bottom: 5rem;
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    border-bottom: 1px solid var(--border);
    padding-bottom: 1.5rem;
    transition: all 0.4s var(--ease-out-quart);
}

.faq-trigger {
    width: 100%;
    background: transparent;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    padding: 1.5rem 0 0.5rem 0;
    cursor: none;
    color: var(--text);
    transition: color 0.3s;
}

.faq-trigger:hover {
    color: var(--text-muted);
}

.faq-question {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.faq-icon {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--text-light);
    transition: transform 0.4s var(--ease-out-expo), color 0.3s;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--text);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s var(--ease-out-expo), padding-top 0.5s var(--ease-out-expo);
}

.faq-item.active .faq-content {
    max-height: 300px;
    padding-top: 1rem;
}

.faq-answer {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* === STICKY CTA === */
.sticky-cta {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--text);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 14px 24px;
    border-radius: 30px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 999;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s var(--ease-out-expo);
    text-transform: uppercase;
}

.sticky-cta-pulse {
    width: 6px;
    height: 6px;
    background: #55ff55;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px #55ff55;
    animation: ctaPulse 2s infinite;
}

@keyframes ctaPulse {
    0% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(85, 255, 85, 0.7); }
    70% { transform: scale(1.2); opacity: 0.5; box-shadow: 0 0 0 6px rgba(85, 255, 85, 0); }
    100% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(85, 255, 85, 0); }
}

.sticky-cta:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    background: var(--white);
    color: var(--text);
    border-color: var(--text);
}

.sticky-cta:hover .btn-arrow {
    transform: translateX(4px);
}

@media (max-width: 768px) {
    .sticky-cta {
        bottom: 1.5rem;
        right: 1.5rem;
        padding: 10px 18px;
        font-size: 0.65rem;
    }
}

/* === ABOUT ME SECTION === */
.about-section {
    padding-bottom: 5rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: flex-start;
}

.about-lead {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.6;
    color: var(--text);
    margin-bottom: 1.5rem;
}

.about-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.about-philosophy {
    border-left: 2px solid var(--text);
    padding-left: 1.5rem;
    margin: 2.5rem 0 1rem 0;
}

.philosophy-quote {
    font-family: var(--font-jp);
    font-size: 1rem;
    font-style: italic;
    color: var(--text);
    line-height: 1.5;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-box {
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
}

.stat-number {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    display: block;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.about-profile-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    padding: 1.5rem;
    border-radius: 8px;
}

.profile-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.profile-item:not(:last-child) {
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.75rem;
}

.profile-key {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 1px;
    color: var(--text-light);
}

.profile-val {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
}

[data-animate="about-narrative"],
[data-animate="about-details"] {
    opacity: 0;
    transform: translateY(40px);
}

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}