/* ============================================
   IGE GROUP — SHARED STYLESHEET v2.0
   ============================================ */

/* ============================================
   1. DESIGN TOKENS
   ============================================ */
:root {
    --navy-deep:    #141B2D;
    --navy-mid:     #1C2540;
    --navy-surface: #222D4A;
    --navy-border:  #2D3A5C;
    --gold:         #C9A96E;
    --gold-light:   #E2C98A;
    --gold-dim:     rgba(201,169,110,0.15);
    --gold-border:  rgba(201,169,110,0.3);
    --text-primary: #EDE9E2;
    --text-muted:   #8894AC;
    --text-faint:   #4E5978;
    --banner-h: 38px;
    --nav-h:    68px;
    --header-h: calc(var(--banner-h) + var(--nav-h));
}

/* ============================================
   2. RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    background: var(--navy-deep);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    line-height: 1.7;
    overflow-x: hidden;
    padding-top: var(--header-h);
}
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* ============================================
   3. TYPOGRAPHY HELPERS
   ============================================ */
.label {
    display: inline-block;
    font-family: 'Raleway', sans-serif;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gold);
}
.gold-text {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   4. WIP BANNER
   ============================================ */
#wip-banner {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--banner-h);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    background: linear-gradient(90deg, #8B6B35, var(--gold), #8B6B35);
}
.wip-dot {
    width: 7px; height: 7px;
    background: var(--navy-deep);
    border-radius: 50%;
    animation: blink 1.6s ease-in-out infinite;
    flex-shrink: 0;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }
.wip-text {
    font-family: 'Raleway', sans-serif;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--navy-deep);
}

/* ============================================
   5. NAVIGATION + DROPDOWN + HAMBURGER
   ============================================ */
#main-nav {
    position: fixed;
    top: var(--banner-h);
    left: 0; right: 0;
    height: var(--nav-h);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2.5rem;
    transition: background 0.3s, border-bottom 0.3s;
}
#main-nav.scrolled {
    background: rgba(20,27,45,0.96);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--navy-border);
}
.nav-logo {
    text-decoration: none;
    display: flex;
    align-items: baseline;
    gap: 0.45rem;
    z-index: 10;
}
.nav-logo-ige {
    font-family: 'Raleway', sans-serif;
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.nav-logo-group {
    font-family: 'Raleway', sans-serif;
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.28em;
    color: var(--text-faint);
}
/* Nav links list */
.nav-links {
    display: flex;
    list-style: none;
    gap: 0.1rem;
    align-items: center;
}
.nav-links > li > a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    padding: 0.5rem 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.28rem;
    transition: color 0.2s;
}
.nav-links > li > a:hover,
.nav-links > li > a.active { color: var(--gold); }

/* Dropdown */
.has-dropdown { position: relative; }
.dropdown-arrow {
    font-size: 0.52rem;
    transition: transform 0.2s;
}
.has-dropdown:hover .dropdown-arrow { transform: rotate(180deg); }
.dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    background: var(--navy-mid);
    border: 1px solid var(--navy-border);
    min-width: 230px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
    z-index: 50;
}
.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.7rem 1.1rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    border-bottom: 1px solid var(--navy-border);
    transition: color 0.2s, background 0.2s;
}
.dropdown-menu li:last-child a { border-bottom: none; }
.dropdown-menu li a:hover {
    color: var(--gold);
    background: var(--navy-surface);
}
.dropdown-menu li a.active { color: var(--gold); }
.dm-icon { font-size: 0.9rem; }

/* Hamburger button */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 10;
}
.hamburger span {
    display: block;
    width: 22px; height: 1.5px;
    background: var(--text-muted);
    transition: transform 0.28s, opacity 0.28s, background 0.28s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4.7px, 4.7px); background: var(--gold); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4.7px, -4.7px); background: var(--gold); }

/* ============================================
   6. INNER PAGE HERO
   ============================================ */
.page-hero {
    position: relative;
    min-height: 40vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem 3rem;
    overflow: hidden;
    background: var(--navy-deep);
}
.page-hero::before {
    content: '';
    position: absolute;
    top: -150px; right: -150px;
    width: 500px; height: 500px;
    border-radius: 50%;
    border: 45px solid rgba(201,169,110,0.045);
    pointer-events: none;
}
.ph-slash {
    position: absolute;
    width: 1px;
    pointer-events: none;
}
.ph-slash::before {
    content: '';
    display: block;
    width: 100%; height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(201,169,110,0.22), transparent);
}
.ph-slash-1 { height: 80%; top: 10%; left: 8%; transform: rotate(-30deg); transform-origin: top center; }
.ph-slash-2 { height: 55%; top: 22%; right: 12%; transform: rotate(-30deg); transform-origin: top center; opacity: 0.45; }

/* Breadcrumb */
.breadcrumb {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 1.1rem;
    font-size: 0.71rem;
    color: var(--text-faint);
    font-family: 'Raleway', sans-serif;
    font-weight: 500;
    letter-spacing: 0.05em;
}
.breadcrumb a { color: var(--text-faint); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--gold); }
.bc-sep { font-size: 0.55rem; }
.bc-current { color: var(--gold); }

/* Page hero content */
.page-hero-content { position: relative; z-index: 2; max-width: 680px; }
.page-hero h1 {
    font-family: 'Raleway', sans-serif;
    font-size: clamp(2rem, 5.5vw, 3.6rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 1rem;
}
.page-hero-sub {
    font-size: 0.98rem;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ============================================
   7. ANGLED DIVIDERS
   ============================================ */
.angled-divider {
    width: 100%; height: 56px;
    background: var(--navy-deep);
    position: relative; overflow: hidden;
}
.angled-divider::after {
    content: '';
    position: absolute; inset: 0;
    background: var(--navy-mid);
    clip-path: polygon(0 100%, 100% 0, 100% 100%);
}
.angled-divider.to-deep::after {
    background: var(--navy-deep);
    clip-path: polygon(0 0, 100% 100%, 0 100%);
}

/* ============================================
   8. SECTION SHARED
   ============================================ */
.section { padding: 5.5rem 2rem; }
.bg-mid  { background: var(--navy-mid); }
.bg-deep { background: var(--navy-deep); }
.section-inner { max-width: 1080px; margin: 0 auto; }
.section-header { margin-bottom: 3.2rem; }
.section-header.center { text-align: center; }
.section-title {
    font-family: 'Raleway', sans-serif;
    font-size: clamp(1.7rem, 3.8vw, 2.5rem);
    font-weight: 700;
    margin-top: 0.6rem;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

/* ============================================
   9. SERVICE PAGE — OVERVIEW GRID
   ============================================ */
.overview-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 4rem;
    align-items: start;
}
.overview-copy p { font-size: 0.93rem; color: var(--text-muted); margin-bottom: 1.1rem; }
.overview-copy p strong { color: var(--text-primary); font-weight: 500; }

/* Facts card */
.facts-card {
    background: var(--navy-surface);
    border: 1px solid var(--navy-border);
    position: relative;
    overflow: hidden;
}
.facts-card::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 80px; height: 80px;
    background: linear-gradient(225deg, rgba(201,169,110,0.1), transparent 60%);
}
.facts-card-header {
    padding: 1.4rem 1.8rem 1rem;
    border-bottom: 1px solid var(--navy-border);
}
.facts-card-header .label { display: block; margin-bottom: 0.2rem; }
.facts-card-title {
    font-family: 'Raleway', sans-serif;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
}
.fact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    padding: 0.72rem 1.8rem;
    border-bottom: 1px solid var(--navy-border);
}
.fact-item:last-child { border-bottom: none; }
.fact-icon { font-size: 0.95rem; flex-shrink: 0; margin-top: 0.2rem; }
.fact-lbl {
    font-family: 'Raleway', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-faint);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.fact-val { font-size: 0.85rem; color: var(--text-primary); margin-top: 0.12rem; }

/* ============================================
   10. SERVICE PAGE — FEATURES GRID
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5px;
    background: var(--navy-border);
    border: 1.5px solid var(--navy-border);
}
.feature-item {
    background: var(--navy-deep);
    padding: 1.8rem 1.6rem;
    position: relative;
    transition: background 0.25s;
}
.feature-item::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    transform: scaleX(0);
    transition: transform 0.35s;
}
.feature-item:hover { background: var(--navy-surface); }
.feature-item:hover::after { transform: scaleX(1); }
.fi-icon { font-size: 1.5rem; margin-bottom: 0.85rem; display: block; }
.fi-title {
    font-family: 'Raleway', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.38rem;
}
.fi-desc { font-size: 0.81rem; color: var(--text-muted); line-height: 1.7; }

/* ============================================
   11. SERVICE PAGE — PROCESS STEPS
   ============================================ */
.process-wrap {
    position: relative;
}
.process-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    position: relative;
    counter-reset: step;
}
.process-steps.s4 { grid-template-columns: repeat(4, 1fr); }
/* Connector line */
.process-steps::before {
    content: '';
    position: absolute;
    top: 27px;
    left: calc(10% + 14px);
    right: calc(10% + 14px);
    height: 1px;
    background: linear-gradient(90deg, var(--navy-border), var(--gold), var(--navy-border));
    z-index: 0;
}
.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 0.8rem;
    position: relative;
}
.step-num {
    width: 54px; height: 54px;
    border-radius: 50%;
    background: var(--navy-surface);
    border: 2px solid var(--navy-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Raleway', sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 1.1rem;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    transition: border-color 0.25s, background 0.25s;
}
.step:hover .step-num { border-color: var(--gold); background: var(--navy-border); }
.step-title {
    font-family: 'Raleway', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.32rem;
}
.step-desc { font-size: 0.77rem; color: var(--text-muted); line-height: 1.65; }

/* ============================================
   12. SERVICE PAGE — FAQ ACCORDION
   ============================================ */
.faq-list {
    border: 1px solid var(--navy-border);
    display: flex;
    flex-direction: column;
}
.faq-item { border-bottom: 1px solid var(--navy-border); }
.faq-item:last-child { border-bottom: none; }
summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.3rem 1.8rem;
    cursor: pointer;
    font-family: 'Raleway', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    list-style: none;
    transition: background 0.2s, color 0.2s;
    user-select: none;
}
summary::-webkit-details-marker { display: none; }
summary:hover { background: var(--navy-surface); }
details[open] > summary { color: var(--gold); background: var(--navy-surface); }
.faq-chev { font-size: 0.65rem; flex-shrink: 0; color: var(--gold); transition: transform 0.25s; }
details[open] .faq-chev { transform: rotate(180deg); }
.faq-body {
    padding: 1rem 1.8rem 1.4rem;
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.82;
    border-top: 1px solid var(--navy-border);
}
.faq-body p + p { margin-top: 0.75rem; }

/* ============================================
   13. GALLERY
   ============================================ */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-bottom: 2.8rem;
    justify-content: center;
}
.filter-btn {
    padding: 0.42rem 1.1rem;
    background: transparent;
    border: 1px solid var(--navy-border);
    color: var(--text-muted);
    font-family: 'Raleway', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.filter-btn:hover { border-color: var(--gold-border); color: var(--gold); }
.filter-btn.active { border-color: var(--gold); color: var(--gold); background: var(--gold-dim); }

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5px;
    background: var(--navy-border);
    border: 1.5px solid var(--navy-border);
}
.gallery-card {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--navy-surface);
    overflow: hidden;
    cursor: pointer;
}
.gallery-card img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.4s, filter 0.4s;
    filter: brightness(0.82);
}
.gallery-card:hover img { transform: scale(1.04); filter: brightness(1); }

/* Placeholder (no photo yet) */
.gallery-ph {
    width: 100%; height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    position: relative;
}
.gallery-ph::before {
    content: '';
    position: absolute; inset: 0;
    background: repeating-linear-gradient(
        -45deg, transparent, transparent 18px,
        rgba(45,58,92,0.35) 18px, rgba(45,58,92,0.35) 19px
    );
}
.ph-icon { font-size: 2rem; opacity: 0.35; position: relative; z-index: 2; }
.ph-label {
    font-family: 'Raleway', sans-serif;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-faint);
    position: relative; z-index: 2;
}
/* Category tag — always visible */
.gcard-tag {
    position: absolute;
    top: 0.75rem; left: 0.75rem;
    font-family: 'Raleway', sans-serif;
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
    background: var(--gold-dim);
    border: 1px solid var(--gold-border);
    padding: 0.15rem 0.5rem;
    z-index: 3;
}
/* Overlay on hover (for real photos) */
.gcard-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 0.8rem 1rem 0.9rem;
    background: linear-gradient(to top, rgba(20,27,45,0.9) 60%, transparent);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 3;
}
.gallery-card:hover .gcard-overlay { opacity: 1; }
.gcard-overlay-text {
    font-family: 'Raleway', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--gold-light);
    letter-spacing: 0.08em;
}
/* Hide placeholder cards via JS filter */
.gallery-card[hidden] { display: none; }

/* ============================================
   14. CTA / CONTACT SECTION
   ============================================ */
.cta-section {
    background: var(--navy-deep);
    border-top: 1px solid var(--navy-border);
    padding: 5rem 2rem;
    text-align: center;
}
.cta-title {
    font-family: 'Raleway', sans-serif;
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 700;
    margin-top: 0.65rem;
    margin-bottom: 0.8rem;
}
.cta-sub { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 2.2rem; }

/* Gold border button */
.btn-gold {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.85rem 2rem;
    border: 1px solid var(--gold);
    color: var(--gold);
    text-decoration: none;
    font-family: 'Raleway', sans-serif;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition: background 0.22s, color 0.22s;
    background: transparent;
    cursor: pointer;
}
.btn-gold:hover { background: var(--gold); color: var(--navy-deep); }
.btn-gold .arrow { transition: transform 0.2s; }
.btn-gold:hover .arrow { transform: translateX(4px); }

/* ============================================
   15. CONTACT FORM
   ============================================ */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.2rem; }
.form-label {
    display: block;
    font-family: 'Raleway', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.45rem;
}
.form-input {
    width: 100%;
    background: var(--navy-surface);
    border: 1px solid var(--navy-border);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    padding: 0.75rem 1rem;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
    appearance: none; -webkit-appearance: none;
}
.form-input::placeholder { color: var(--text-faint); }
.form-input:focus { border-color: var(--gold); background: var(--navy-mid); }
.form-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238894AC' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}
.form-select option { background: var(--navy-mid); color: var(--text-primary); }
.form-textarea { resize: vertical; min-height: 120px; line-height: 1.65; }
.form-btn {
    width: 100%;
    padding: 0.95rem 2rem;
    background: transparent;
    border: 1px solid var(--gold);
    color: var(--gold);
    font-family: 'Raleway', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    gap: 0.6rem;
    transition: background 0.22s, color 0.22s;
    margin-top: 0.5rem;
}
.form-btn:hover:not(:disabled) { background: var(--gold); color: var(--navy-deep); }
.form-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.form-message {
    margin-top: 1.2rem; padding: 0.9rem 1.2rem;
    font-size: 0.875rem; border-left: 3px solid;
    font-family: 'Raleway', sans-serif; font-weight: 500;
}
.form-success { background: rgba(100,200,120,0.08); border-color: #64c878; color: #64c878; }
.form-error   { background: rgba(220,80,80,0.08);  border-color: #dc5050; color: #dc5050; }

/* ============================================
   16. FOOTER
   ============================================ */
footer {
    background: var(--navy-deep);
    border-top: 1px solid var(--navy-border);
    padding: 1.5rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}
.footer-logo {
    text-decoration: none;
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
}
.footer-ige {
    font-family: 'Raleway', sans-serif;
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.footer-grp {
    font-family: 'Raleway', sans-serif;
    font-size: 0.62rem;
    font-weight: 400;
    letter-spacing: 0.25em;
    color: var(--text-faint);
}
.footer-copy { font-size: 0.72rem; color: var(--text-faint); }
.footer-nav { display: flex; gap: 1.4rem; list-style: none; }
.footer-nav a {
    font-size: 0.72rem; color: var(--text-faint);
    text-decoration: none; transition: color 0.2s;
}
.footer-nav a:hover { color: var(--gold); }

/* ============================================
   17. FADE ANIMATIONS
   ============================================ */
.fade-up {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up:nth-child(2) { transition-delay: 0.08s; }
.fade-up:nth-child(3) { transition-delay: 0.16s; }
.fade-up:nth-child(4) { transition-delay: 0.24s; }

/* ============================================
   18. RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
    .overview-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .process-steps, .process-steps.s4 {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    .process-steps::before { display: none; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    :root { --nav-h: 60px; }
    #main-nav { padding: 0 1.2rem; }
    .hamburger { display: flex; }
    .nav-links {
        position: fixed;
        top: var(--header-h);
        left: 0; right: 0; bottom: 0;
        background: rgba(15, 20, 35, 0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.3rem;
        display: none;
        overflow-y: auto;
        padding: 2rem 1rem;
        z-index: 150;
    }
    .nav-links.open { display: flex; }
    .nav-links > li { width: 100%; text-align: center; }
    .nav-links > li > a { font-size: 1rem; padding: 0.75rem 1rem; justify-content: center; letter-spacing: 0.12em; }
    /* Dropdown flat on mobile */
    .dropdown-menu {
        position: static;
        opacity: 1; visibility: visible; transform: none;
        width: 100%;
        background: var(--navy-surface);
        border: none;
        border-top: 1px solid var(--navy-border);
    }
    .features-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .process-steps, .process-steps.s4 { grid-template-columns: 1fr; }
    footer { flex-direction: column; text-align: center; padding: 1.2rem; }
    .form-row { grid-template-columns: 1fr; }
    .section { padding: 3.5rem 1.2rem; }
    .page-hero { padding: 3rem 1.2rem 2rem; }
    summary { padding: 1.1rem 1.2rem; font-size: 0.84rem; }
    .faq-body { padding: 0.9rem 1.2rem 1.2rem; }
}
@media (max-width: 420px) {
    .gallery-grid { grid-template-columns: 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .fade-up { opacity: 1; transform: none; transition: none; }
    .wip-dot { animation: none; }
    html { scroll-behavior: auto; }
}