/*
Theme Name: Justin Ha
Theme URI: https://justinha.info.vn
Author: Justin Hà
Author URI: https://justinha.info.vn
Description: A custom editorial-style WordPress theme for Justin Hà — Senior Global SEO/GEO Specialist.
Version: 1.0.0
Text Domain: justinha
*/

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

:root {
    --black: #0a0a0a;
    --white: #fafaf8;
    --grey-100: #f4f3f0;
    --grey-200: #e8e6e1;
    --grey-400: #b0ada6;
    --grey-500: #8a8780;
    --grey-700: #4a4844;
    --accent: #c8a96e;
    --serif: 'Cormorant Garamond', Georgia, serif;
    --sans: 'DM Sans', sans-serif;
    --mono: 'DM Mono', monospace;
    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--sans);
    background: var(--white);
    color: var(--black);
    font-size: 18px;
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
}

/* ─── CUSTOM CURSOR ─────────────────────────────────────────── */
.cursor {
    position: fixed;
    width: 8px;
    height: 8px;
    background: var(--black);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.3s var(--ease), height 0.3s var(--ease), background 0.3s;
    mix-blend-mode: difference;
}

.cursor-ring {
    position: fixed;
    width: 36px;
    height: 36px;
    border: 1px solid var(--black);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: all 0.15s var(--ease);
    background-color: #c8a96e;
}

.cursor.hover {
    width: 16px;
    height: 16px;
}

.cursor-ring.hover {
    width: 56px;
    height: 56px;
    opacity: 0.5;
}

/* ─── SITE STRUCTURE ─────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 100;
    background: var(--white);
    transition: box-shadow 0.3s var(--ease), background 0.3s;
}

.site-header.is-sticky {
    box-shadow: 0 1px 0 var(--grey-200);
    background: rgba(250, 250, 248, 0.94);
    backdrop-filter: blur(12px);
}

/* ─── HAMBURGER BUTTON ───────────────────────────────────────── */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
}

.nav-toggle-bar {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--black);
    transition: transform 0.3s var(--ease), opacity 0.3s;
    transform-origin: center;
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* ─── MOBILE NAV DRAWER ─────────────────────────────────────── */
.nav-mobile {
    display: none;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.4s var(--ease-out);
    border-top: 1px solid transparent;
}

.nav-mobile.is-open {
    max-height: 400px;
    border-top-color: var(--grey-200);
}

.nav-mobile-links {
    list-style: none;
    padding: 16px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-mobile-links a {
    display: block;
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--grey-700);
    text-decoration: none;
    padding: 12px 0;
    border-bottom: 1px solid var(--grey-100);
    transition: color 0.2s;
}

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

.nav-cta-mobile {
    display: inline-block;
    margin-top: 8px;
    background: var(--black);
    color: var(--white) !important;
    padding: 12px 24px;
    font-size: 12px !important;
    font-weight: 500;
    letter-spacing: 0.1em;
    border: none;
    border-bottom: none !important;
    transition: background 0.2s;
}

.nav-cta-mobile:hover {
    background: var(--grey-700) !important;
}

/* ─── NAVIGATION ─────────────────────────────────────────────── */
nav {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 60px;
    height: 80px;
}

nav.scrolled {
    background: rgba(250, 250, 248, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--grey-200);
}

.nav-logo {
    font-family: var(--serif);
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: var(--black);
    text-decoration: none;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.1s forwards;
    display: flex;
    align-items: center;
}

.nav-logo img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    display: block;
}

/* Force hamburger & mobile drawer off on desktop — prevents JS class bleed */
@media (min-width: 901px) {
    .nav-toggle {
        display: none !important;
    }

    .nav-mobile {
        display: none !important;
    }
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    font-family: var(--sans);
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--grey-700);
    text-decoration: none;
    transition: color 0.2s;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) forwards;
}

.nav-links li:nth-child(1) a {
    animation-delay: 0.15s;
}

.nav-links li:nth-child(2) a {
    animation-delay: 0.2s;
}

.nav-links li:nth-child(3) a {
    animation-delay: 0.25s;
}

.nav-links li:nth-child(4) a {
    animation-delay: 0.3s;
}

.nav-links li:nth-child(5) a {
    animation-delay: 0.35s;
}

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

.nav-cta {
    font-size: 12px !important;
    font-weight: 500 !important;
    color: var(--white) !important;
    background: var(--black);
    padding: 10px 22px;
    letter-spacing: 0.1em !important;
    transition: background 0.2s, color 0.2s !important;
}

.nav-cta:hover {
    background: var(--grey-700) !important;
    color: var(--white) !important;
}

/* ─── HERO ───────────────────────────────────────────────────── */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 0 60px;
    position: relative;
    overflow: hidden;
}

.hero-left {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-bottom: 100px;
    padding-top: 60px;
}

.hero-tag {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 300;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--grey-500);
    margin-bottom: 32px;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.3s forwards;
}

.hero-tag span {
    color: var(--accent);
}

.hero-title {
    font-family: var(--serif);
    font-size: clamp(52px, 6vw, 88px);
    font-weight: 300;
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin-bottom: 40px;
    overflow: hidden;
}

.hero-title-line {
    display: block;
    opacity: 0;
    transform: translateY(60px);
    animation: slideUp 0.9s var(--ease-out) forwards;
}

.hero-title-line:nth-child(1) {
    animation-delay: 0.4s;
}

.hero-title-line:nth-child(2) {
    animation-delay: 0.52s;
}

.hero-title-line:nth-child(3) {
    animation-delay: 0.64s;
    font-style: italic;
    color: var(--grey-700);
}

.hero-desc {
    font-size: 14px;
    font-weight: 300;
    color: var(--grey-700);
    max-width: 400px;
    line-height: 1.8;
    margin-bottom: 48px;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.8s forwards;
}

.hero-actions {
    display: flex;
    gap: 20px;
    align-items: center;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.9s forwards;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--black);
    color: var(--white);
    padding: 14px 32px;
    font-family: var(--sans);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    transition: transform 0.2s var(--ease), background 0.2s;
}

.btn-primary:hover {
    background: var(--grey-700);
    transform: translateY(-2px);
}

.btn-primary svg {
    transition: transform 0.2s;
}

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

.btn-ghost {
    font-family: var(--sans);
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--grey-700);
    text-decoration: none;
    border-bottom: 1px solid var(--grey-200);
    padding-bottom: 2px;
    transition: color 0.2s, border-color 0.2s;
}

.btn-ghost:hover {
    color: var(--black);
    border-color: var(--black);
}

.hero-right {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-bottom: 100px;
    padding-top: 60px;
    align-items: flex-end;
    gap: 32px;
}

.hero-stats {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: flex-end;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.7s forwards;
}

.stat-item {
    text-align: right;
    border-right: 2px solid var(--black);
    padding-right: 20px;
}

.stat-num {
    font-family: var(--serif);
    font-size: 42px;
    font-weight: 300;
    line-height: 1;
    letter-spacing: -0.02em;
}

.stat-label {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--grey-500);
    margin-top: 4px;
}

.hero-badge {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 1s forwards;
}

.badge-text {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--grey-500);
}

.badge-platforms {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.platform-tag {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.08em;
    color: var(--grey-700);
    border: 1px solid var(--grey-200);
    padding: 4px 10px;
    background: var(--white);
}

.hero-line {
    position: absolute;
    bottom: 0;
    left: 60px;
    right: 60px;
    height: 1px;
    background: var(--grey-200);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 1.2s forwards;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--grey-400);
    animation: scrollPulse 2s ease-in-out infinite;
}

.scroll-label {
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--grey-500);
}

/* ─── SECTION BASE ───────────────────────────────────────────── */
.section {
    padding: 120px 60px;
    position: relative;
}

.section-line {
    width: 100%;
    height: 1px;
    background: var(--grey-200);
    margin-bottom: 80px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 80px;
    gap: 40px;
}

.section-num {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 300;
    letter-spacing: 0.15em;
    color: var(--grey-500);
    padding-top: 6px;
}

.section-title {
    font-family: var(--serif);
    font-size: clamp(36px, 4vw, 56px);
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.02em;
    flex: 1;
}

.section-title em {
    font-style: italic;
    color: var(--grey-500);
}

.section-sub {
    font-size: 13px;
    font-weight: 300;
    color: var(--grey-700);
    line-height: 1.8;
    max-width: 320px;
    text-align: right;
}

/* ─── ABOUT ──────────────────────────────────────────────────── */
.about {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.about-left {}

.about-intro {
    font-family: var(--serif);
    font-size: clamp(22px, 2.5vw, 32px);
    font-weight: 300;
    line-height: 1.4;
    margin-bottom: 40px;
    letter-spacing: -0.01em;
}

.about-text {
    font-size: 14px;
    font-weight: 300;
    color: var(--grey-700);
    line-height: 1.9;
    margin-bottom: 20px;
}

.about-right {
    padding-top: 8px;
}

.exp-list {
    list-style: none;
}

.exp-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid var(--grey-200);
    align-items: start;
    transition: background 0.2s;
}

.exp-item:first-child {
    border-top: 1px solid var(--grey-200);
}

.exp-company {
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    margin-bottom: 4px;
}

.exp-role {
    font-size: 12px;
    font-weight: 300;
    color: var(--grey-700);
}

.exp-period {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--grey-500);
    white-space: nowrap;
    padding-top: 3px;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--grey-200);
    margin-top: 60px;
    border: 1px solid var(--grey-200);
}

.highlight-item {
    background: var(--white);
    padding: 28px 24px;
}

.highlight-num {
    font-family: var(--serif);
    font-size: 36px;
    font-weight: 300;
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.highlight-label {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--grey-500);
}

/* ─── SERVICES ───────────────────────────────────────────────── */
.services {
    background: var(--black);
    color: var(--white);
}

.services .section-num {
    color: #444;
}

.services .section-title {
    color: var(--white);
}

.services .section-title em {
    color: #555;
}

.services .section-sub {
    color: #888;
}

.services .section-line {
    background: #1a1a1a;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: #1a1a1a;
    border: 1px solid #1a1a1a;
    margin-top: 60px;
}

.service-card {
    background: var(--black);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
    transition: background 0.3s var(--ease);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--accent);
    transition: height 0.4s var(--ease-out);
}

.service-card:hover {
    background: #111;
}

.service-card:hover::before {
    height: 100%;
}

.service-icon {
    width: 40px;
    height: 40px;
    border: 1px solid #333;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    transition: border-color 0.3s;
}

.service-card:hover .service-icon {
    border-color: var(--accent);
}

.service-icon svg {
    color: var(--accent);
}

.service-name {
    font-family: var(--serif);
    font-size: 24px;
    font-weight: 300;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service-desc {
    font-size: 13px;
    font-weight: 300;
    color: #888;
    line-height: 1.8;
    margin-bottom: 24px;
}

.service-price {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 300;
    letter-spacing: 0.12em;
    color: var(--accent);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #555;
    text-decoration: none;
    margin-top: 20px;
    transition: color 0.2s;
}

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

/* ─── PACKAGES ───────────────────────────────────────────────── */
.packages {
    background: var(--grey-100);
}

.packages-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 60px;
    border-bottom: 1px solid var(--grey-200);
}

.tab-btn {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--grey-500);
    background: none;
    border: none;
    padding: 16px 28px;
    cursor: none;
    position: relative;
    transition: color 0.2s;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--black);
    transform: scaleX(0);
    transition: transform 0.3s var(--ease);
}

.tab-btn.active {
    color: var(--black);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1px;
    background: var(--grey-200);
    border: 1px solid var(--grey-200);
}

.pkg-card {
    background: var(--white);
    padding: 44px 36px;
    position: relative;
    transition: transform 0.3s var(--ease);
}

.pkg-card:hover {
    transform: translateY(-4px);
}

.pkg-card.featured {
    background: var(--black);
    color: var(--white);
}

.pkg-popular {
    font-family: var(--mono);
    font-size: 9px;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
}

.pkg-name {
    font-family: var(--serif);
    font-size: 26px;
    font-weight: 300;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.pkg-price {
    font-family: var(--serif);
    font-size: 48px;
    font-weight: 300;
    letter-spacing: -0.03em;
    margin: 24px 0 4px;
}

.pkg-price sup {
    font-size: 22px;
    font-weight: 300;
    vertical-align: top;
    padding-top: 10px;
}

.pkg-period {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--grey-500);
    margin-bottom: 8px;
}

.pkg-card.featured .pkg-period {
    color: #888;
}

.pkg-duration {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.12em;
    color: var(--grey-500);
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--grey-200);
}

.pkg-card.featured .pkg-duration {
    color: #555;
    border-color: #222;
}

.pkg-features {
    list-style: none;
    margin-bottom: 36px;
}

.pkg-features li {
    font-size: 13px;
    font-weight: 300;
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    color: var(--grey-700);
    border-bottom: 1px solid var(--grey-100);
}

.pkg-card.featured .pkg-features li {
    color: #aaa;
    border-color: #1a1a1a;
}

.pkg-features li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--grey-400);
    font-size: 11px;
}

.pkg-card.featured .pkg-features li::before {
    color: var(--accent);
}

.pkg-btn {
    display: block;
    text-align: center;
    padding: 14px 24px;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    border: 1px solid var(--grey-200);
    color: var(--grey-700);
    transition: all 0.2s;
}

.pkg-card:not(.featured) .pkg-btn:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.pkg-card.featured .pkg-btn {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}

.pkg-card.featured .pkg-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
}

/* ─── CASE STUDIES ───────────────────────────────────────────── */
.cases {
    background: var(--white);
}

.cases-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--grey-200);
    border: 1px solid var(--grey-200);
    margin-top: 60px;
}

.case-card {
    background: var(--white);
    padding: 48px 40px;
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
}

.case-card:hover {
    background: var(--grey-100);
}

.case-card::after {
    content: '↗';
    position: absolute;
    top: 40px;
    right: 40px;
    font-size: 18px;
    color: var(--grey-300);
    transition: transform 0.3s var(--ease), color 0.3s;
}

.case-card:hover::after {
    transform: translate(3px, -3px);
    color: var(--black);
}

.case-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.case-tag {
    font-family: var(--mono);
    font-size: 9px;
    font-weight: 300;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--grey-500);
    border: 1px solid var(--grey-200);
    padding: 4px 10px;
}

.case-title {
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 300;
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
    max-width: 380px;
}

.case-result {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--grey-200);
}

.case-result-num {
    font-family: var(--serif);
    font-size: 36px;
    font-weight: 300;
    letter-spacing: -0.02em;
}

.case-result-label {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--grey-500);
    text-transform: uppercase;
}

/* ─── METHODOLOGY ────────────────────────────────────────────── */
.method {
    background: var(--grey-100);
}

.method-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
    background: var(--grey-200);
    border: 1px solid var(--grey-200);
    margin-top: 60px;
}

.method-step {
    background: var(--white);
    padding: 36px 28px;
    transition: background 0.3s;
    position: relative;
}

.method-step:hover {
    background: var(--black);
    color: var(--white);
}

.step-num {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.15em;
    color: var(--grey-400);
    margin-bottom: 16px;
    transition: color 0.3s;
}

.method-step:hover .step-num {
    color: #555;
}

.step-title {
    font-family: var(--serif);
    font-size: 17px;
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.step-desc {
    font-size: 12px;
    font-weight: 300;
    color: var(--grey-700);
    line-height: 1.8;
    transition: color 0.3s;
}

.method-step:hover .step-desc {
    color: #888;
}

/* ─── FAQ ────────────────────────────────────────────────────── */
.faq {
    background: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 80px;
    margin-top: 60px;
}

.faq-item {
    border-top: 1px solid var(--grey-200);
    padding: 28px 0;
    cursor: none;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    font-family: var(--sans);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    margin-bottom: 0;
    transition: color 0.2s;
}

.faq-question:hover {
    color: var(--grey-700);
}

.faq-toggle {
    font-size: 18px;
    font-weight: 300;
    flex-shrink: 0;
    transition: transform 0.3s var(--ease);
    color: var(--grey-400);
    line-height: 1.5;
    width: 20px;
    text-align: center;
}

.faq-item.open .faq-toggle {
    transform: rotate(45deg);
    color: var(--black);
}

.faq-answer {
    font-size: 13px;
    font-weight: 300;
    color: var(--grey-700);
    line-height: 1.9;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease), margin-top 0.3s;
}

.faq-item.open .faq-answer {
    max-height: 300px;
    margin-top: 16px;
}

/* ─── CONTACT ────────────────────────────────────────────────── */
.contact {
    background: var(--black);
    color: var(--white);
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact .section-line {
    background: #1a1a1a;
}

.contact .section-num {
    color: #444;
}

.contact .section-title {
    color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
    margin-top: 60px;
}

.contact-left {}

.contact-desc {
    font-family: var(--serif);
    font-size: clamp(20px, 2.2vw, 28px);
    font-weight: 300;
    line-height: 1.5;
    letter-spacing: -0.01em;
    color: #ccc;
    margin-bottom: 48px;
}

.contact-details {
    list-style: none;
}

.contact-details li {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid #1a1a1a;
    font-size: 13px;
    font-weight: 300;
    color: #888;
}

.contact-details a {
    color: #888;
    text-decoration: none;
    transition: color 0.2s;
}

.contact-details a:hover {
    color: var(--white);
}

.contact-details .label {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #444;
    width: 60px;
    flex-shrink: 0;
}

.contact-right {}

.contact-form {}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #444;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid #333;
    padding: 12px 0;
    font-family: var(--sans);
    font-size: 14px;
    font-weight: 300;
    color: var(--white);
    outline: none;
    transition: border-color 0.2s;
    cursor: none;
}

.form-group select {
    cursor: none;
}

.form-group select option {
    background: var(--black);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #444;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--white);
}

.form-group textarea {
    resize: none;
    height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-submit {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
    background: var(--white);
    color: var(--black);
    border: none;
    padding: 16px 36px;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: none;
    transition: background 0.2s, transform 0.2s;
}

.form-submit:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

.form-feedback {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 300;
    letter-spacing: 0.08em;
    padding: 14px 16px;
    margin-top: 16px;
    line-height: 1.6;
}

.form-feedback--success {
    background: rgba(200, 169, 110, 0.12);
    border: 1px solid var(--accent);
    color: var(--accent);
}

.form-feedback--error {
    background: rgba(220, 60, 60, 0.08);
    border: 1px solid rgba(220, 60, 60, 0.4);
    color: #e07070;
}

/* ─── FOOTER ─────────────────────────────────────────────────── */
footer {
    background: var(--black);
    border-top: 1px solid #1a1a1a;
    padding: 40px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo {
    font-family: var(--serif);
    font-size: 16px;
    font-weight: 300;
    color: #555;
    text-decoration: none;
}

.footer-copy {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: #333;
}

.footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.footer-links a {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #444;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #888;
}

/* ─── ANIMATIONS ─────────────────────────────────────────────── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(60px);
    }

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

@keyframes scrollPulse {

    0%,
    100% {
        transform: scaleY(1);
        opacity: 0.4;
    }

    50% {
        transform: scaleY(1.3);
        opacity: 0.8;
    }
}

.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

.reveal-delay-4 {
    transition-delay: 0.4s;
}

/* ─── MOBILE ──────────────────────────────────────────────────── */
@media (max-width: 900px) {
    .site-header {
        height: auto;
    }

    nav {
        padding: 0 24px;
        height: 64px;
    }

    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-mobile {
        display: block;
    }

    .nav-logo img {
        width: 50px;
        height: 50px;
    }

    .hero {
        grid-template-columns: 1fr;
        padding: 0 24px;
    }

    .hero-right {
        display: none;
    }

    .hero-left {
        padding-top: 40px;
        padding-bottom: 80px;
    }

    .section {
        padding: 80px 24px;
    }

    .section-header {
        flex-direction: column;
        gap: 16px;
    }

    .section-sub {
        text-align: left;
        max-width: 100%;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-highlights {
        grid-template-columns: 1fr 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .tab-panel.active {
        grid-template-columns: 1fr;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .method-steps {
        grid-template-columns: 1fr 1fr;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    footer {
        flex-direction: column;
        gap: 16px;
        padding: 32px 24px;
        text-align: center;
    }

    body {
        cursor: auto;
    }

    .cursor,
    .cursor-ring {
        display: none;
    }
}

@media (max-width: 600px) {
    .method-steps {
        grid-template-columns: 1fr;
    }

    .about-highlights {
        grid-template-columns: 1fr;
    }
}