/* ========================================================================
   Melbourne Construction Solutions — Master Stylesheet
   ======================================================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-bg: #faf7f2;
    --color-bg-alt: #f1ece3;
    --color-ink: #15120e;
    --color-ink-soft: #4a4339;
    --color-muted: #8a8174;
    --color-line: #e3dcd0;
    --color-accent: #b8632a;
    --color-accent-dark: #8a4519;
    --color-dark: #1a1814;
    --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --max-width: 1280px;
    --gutter: clamp(20px, 4vw, 56px);
    --radius: 4px;
    --transition: 0.45s cubic-bezier(0.19, 1, 0.22, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--color-ink);
    background: var(--color-bg);
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 500;
    letter-spacing: -0.015em;
    line-height: 1.15;
    color: var(--color-ink);
}

h1 { font-size: clamp(2.4rem, 5.5vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.8vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); font-weight: 600; }

p { color: var(--color-ink-soft); }

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

/* ---------- Navigation ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 22px 0;
    color: #fff;
    transition: background var(--transition), padding var(--transition), box-shadow var(--transition), color var(--transition);
}
.nav::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0) 100%);
    pointer-events: none;
    opacity: 1;
    transition: opacity var(--transition);
}
.nav.scrolled {
    background: rgba(250, 247, 242, 0.96);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    padding: 14px 0;
    box-shadow: 0 1px 0 var(--color-line);
    color: var(--color-ink);
}
.nav.scrolled::before { opacity: 0; }
.nav__inner { position: relative; z-index: 1; }
.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1;
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo__mark {
    display: inline-block;
    width: 34px;
    height: 34px;
    background: var(--color-accent);
    color: var(--color-bg);
    border-radius: var(--radius);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}
.logo__text { display: flex; flex-direction: column; line-height: 1; }
.logo__name { font-size: 1.05rem; }
.logo__sub {
    font-family: var(--font-body);
    font-size: 0.64rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-top: 4px;
}

.nav__links {
    display: flex;
    list-style: none;
    gap: 36px;
    align-items: center;
}
.nav__links a {
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: inherit;
    position: relative;
    padding: 4px 0;
}
.nav__links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition);
}
.nav__links a:hover::after,
.nav__links a.active::after {
    width: 100%;
}
.nav__links a.active { color: var(--color-accent); }

.nav__cta {
    background: var(--color-ink);
    color: var(--color-bg) !important;
    padding: 10px 20px !important;
    border-radius: var(--radius);
    font-size: 0.82rem !important;
    letter-spacing: 0.04em !important;
    transition: background var(--transition), transform var(--transition);
}
.nav__cta:hover {
    background: var(--color-accent);
    transform: translateY(-1px);
}
.nav__cta::after { display: none !important; }

.nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 32px;
    padding: 0;
    position: relative;
}
.nav__toggle span {
    display: block;
    position: absolute;
    left: 4px;
    right: 4px;
    height: 2px;
    background: var(--color-ink);
    transition: transform var(--transition), opacity var(--transition);
}
.nav__toggle span:nth-child(1) { top: 10px; }
.nav__toggle span:nth-child(2) { top: 15px; }
.nav__toggle span:nth-child(3) { top: 20px; }
.nav__toggle.open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,24,20,0.7) 0%, rgba(26,24,20,0.35) 55%, rgba(184,99,42,0.25) 100%),
                url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?auto=format&fit=crop&w=2000&q=80') center/cover;
    z-index: -1;
}
.hero--small {
    min-height: 52vh;
    padding: 150px 0 70px;
}
.hero--small::before {
    background: linear-gradient(135deg, rgba(26,24,20,0.78) 0%, rgba(26,24,20,0.55) 100%),
                url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=2000&q=80') center/cover;
}
.hero--services::before {
    background: linear-gradient(135deg, rgba(26,24,20,0.78) 0%, rgba(26,24,20,0.55) 100%),
                url('https://images.unsplash.com/photo-1565008447742-97f6f38c985c?auto=format&fit=crop&w=2000&q=80') center/cover;
}
.hero--projects::before {
    background: linear-gradient(135deg, rgba(26,24,20,0.75) 0%, rgba(26,24,20,0.5) 100%),
                url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=2000&q=80') center/cover;
}
.hero--about::before {
    background: linear-gradient(135deg, rgba(26,24,20,0.78) 0%, rgba(26,24,20,0.55) 100%),
                url('https://images.unsplash.com/photo-1621905251189-08b45d6a269e?auto=format&fit=crop&w=2000&q=80') center/cover;
}
.hero--contact::before {
    background: linear-gradient(135deg, rgba(26,24,20,0.82) 0%, rgba(26,24,20,0.6) 100%),
                url('https://images.unsplash.com/photo-1519750157634-b6d493a0f77c?auto=format&fit=crop&w=2000&q=80') center/cover;
}

.hero__inner { max-width: 780px; color: #fff; }
.hero__eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.85);
    margin-bottom: 24px;
    padding: 6px 14px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 2px;
}
.hero h1 {
    color: #fff;
    font-weight: 500;
    margin-bottom: 24px;
}
.hero h1 em {
    font-style: italic;
    color: var(--color-accent);
}
.hero__lede {
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    color: rgba(255,255,255,0.88);
    max-width: 600px;
    margin-bottom: 40px;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
    display: inline-block;
    padding: 16px 30px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
    text-align: center;
}
.btn--primary { background: var(--color-accent); color: #fff; }
.btn--primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); }
.btn--ghost {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.55);
}
.btn--ghost:hover { background: #fff; color: var(--color-ink); }
.btn--dark { background: var(--color-ink); color: #fff; }
.btn--dark:hover { background: var(--color-accent); transform: translateY(-2px); }

/* ---------- Sections ---------- */
section { padding: clamp(70px, 9vw, 120px) 0; }

.section-head {
    max-width: 720px;
    margin-bottom: 64px;
}
.section-head--center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}
.eyebrow {
    display: block;
    font-size: 0.74rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 16px;
}
.section-head p { font-size: 1.05rem; margin-top: 18px; }

/* ---------- Intro / about block ---------- */
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.intro-grid__media {
    position: relative;
    aspect-ratio: 4/5;
    background: var(--color-bg-alt) url('https://images.unsplash.com/photo-1513467535987-fd81bc7d62f8?auto=format&fit=crop&w=1000&q=80') center/cover;
    border-radius: var(--radius);
    overflow: hidden;
}
.intro-grid__media::after {
    content: '';
    position: absolute;
    right: -24px;
    bottom: -24px;
    width: 140px;
    height: 140px;
    background: var(--color-accent);
    border-radius: var(--radius);
    z-index: -1;
}
.intro-grid__badge {
    position: absolute;
    left: 20px;
    bottom: 20px;
    background: rgba(255,255,255,0.95);
    padding: 18px 22px;
    border-radius: var(--radius);
    backdrop-filter: blur(8px);
}
.intro-grid__badge strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--color-accent);
    line-height: 1;
}
.intro-grid__badge span {
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-muted);
}
.intro-grid__body h2 { margin-bottom: 24px; }
.intro-grid__body p + p { margin-top: 16px; }
.intro-grid__body .btn { margin-top: 32px; }

/* ---------- Services grid ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.service-card {
    background: #fff;
    padding: 36px 32px;
    border-radius: var(--radius);
    border: 1px solid var(--color-line);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}
.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-accent);
    box-shadow: 0 24px 48px -24px rgba(26,24,20,0.18);
}
.service-card__icon {
    width: 48px;
    height: 48px;
    background: var(--color-bg-alt);
    color: var(--color-accent);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: background var(--transition), color var(--transition);
}
.service-card:hover .service-card__icon {
    background: var(--color-accent);
    color: #fff;
}
.service-card__icon svg { width: 24px; height: 24px; }
.service-card h3 { margin-bottom: 12px; }
.service-card p { font-size: 0.95rem; margin-bottom: 20px; }
.service-card__link {
    margin-top: auto;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.service-card__link::after {
    content: '→';
    transition: transform var(--transition);
}
.service-card__link:hover::after { transform: translateX(4px); }

/* ---------- Projects ---------- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
}
.project {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    aspect-ratio: 4/3;
    background: var(--color-bg-alt);
    cursor: pointer;
}
.project img,
.project__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.19, 1, 0.22, 1);
}
.project:hover .project__img,
.project:hover img { transform: scale(1.06); }
.project__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(26,24,20,0) 40%, rgba(26,24,20,0.9) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    color: #fff;
    opacity: 1;
}
.project__overlay span {
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    opacity: 0.8;
    margin-bottom: 6px;
}
.project__overlay h3 { color: #fff; font-size: 1.4rem; }

.project--wide { grid-column: span 8; }
.project--narrow { grid-column: span 4; }
.project--third { grid-column: span 4; aspect-ratio: 1/1; }
.project--half { grid-column: span 6; }
.project--full { grid-column: span 12; aspect-ratio: 21/9; }

/* ---------- Stats band ---------- */
.stats {
    background: var(--color-dark);
    color: #fff;
    padding: 80px 0;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}
.stat strong {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 4.5vw, 3.4rem);
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 10px;
}
.stat span {
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
}

/* ---------- Process steps ---------- */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    counter-reset: step;
}
.step {
    position: relative;
    padding-top: 28px;
    border-top: 1px solid var(--color-line);
}
.step::before {
    counter-increment: step;
    content: counter(step, decimal-leading-zero);
    position: absolute;
    top: -14px;
    left: 0;
    background: var(--color-bg);
    padding-right: 14px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-accent);
}
.step h3 { margin-bottom: 10px; }
.step p { font-size: 0.95rem; }

/* ---------- Testimonials ---------- */
.testimonials {
    background: var(--color-bg-alt);
}
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.testimonial {
    background: #fff;
    padding: 36px 32px;
    border-radius: var(--radius);
    border: 1px solid var(--color-line);
    display: flex;
    flex-direction: column;
}
.testimonial__stars {
    color: #e8a93c;
    letter-spacing: 3px;
    font-size: 0.95rem;
    margin-bottom: 20px;
}
.testimonial__quote {
    font-size: 1rem;
    color: var(--color-ink);
    line-height: 1.65;
    margin-bottom: 24px;
    flex: 1;
}
.testimonial__person {
    display: flex;
    align-items: center;
    gap: 14px;
    border-top: 1px solid var(--color-line);
    padding-top: 18px;
}
.testimonial__avatar {
    width: 44px;
    height: 44px;
    background: var(--color-accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}
.testimonial__name { font-weight: 600; font-size: 0.95rem; }
.testimonial__date {
    font-size: 0.78rem;
    color: var(--color-muted);
    letter-spacing: 0.05em;
}

/* ---------- CTA band ---------- */
.cta-band {
    background: var(--color-dark);
    color: #fff;
    padding: 96px 0;
    position: relative;
    overflow: hidden;
}
.cta-band::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(184,99,42,0.25) 0%, transparent 70%);
    border-radius: 50%;
}
.cta-band__inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
    align-items: center;
    position: relative;
}
.cta-band h2 { color: #fff; max-width: 640px; }
.cta-band p { color: rgba(255,255,255,0.75); margin-top: 14px; font-size: 1.05rem; }
.cta-band .btn { white-space: nowrap; }

/* ---------- Contact page ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}
.contact-info h2 { margin-bottom: 20px; }
.contact-info > p { margin-bottom: 40px; font-size: 1.05rem; }
.contact-detail {
    display: flex;
    gap: 18px;
    padding: 24px 0;
    border-top: 1px solid var(--color-line);
}
.contact-detail:last-child { border-bottom: 1px solid var(--color-line); }
.contact-detail__icon {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    background: var(--color-bg-alt);
    color: var(--color-accent);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}
.contact-detail__icon svg { width: 20px; height: 20px; }
.contact-detail strong {
    display: block;
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 4px;
    font-weight: 600;
}
.contact-detail span,
.contact-detail a { font-size: 1.05rem; color: var(--color-ink); }
.contact-detail a:hover { color: var(--color-accent); }

.form {
    background: #fff;
    padding: 44px;
    border-radius: var(--radius);
    border: 1px solid var(--color-line);
}
.form h3 { margin-bottom: 28px; }
.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form__field { margin-bottom: 20px; }
.form__field label {
    display: block;
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--color-ink-soft);
    margin-bottom: 8px;
}
.form__field input,
.form__field select,
.form__field textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-ink);
    background: var(--color-bg);
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    transition: border-color var(--transition), background var(--transition);
}
.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: #fff;
}
.form__field textarea { resize: vertical; min-height: 130px; }
.form .btn { width: 100%; margin-top: 8px; }
.form__success {
    display: none;
    padding: 18px;
    background: #e8f4ea;
    border: 1px solid #4d9960;
    color: #1f5a2d;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

/* ---------- Projects filter page ---------- */
.filter-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 48px;
    flex-wrap: wrap;
    justify-content: center;
}
.filter-btn {
    padding: 10px 22px;
    background: transparent;
    border: 1px solid var(--color-line);
    border-radius: 999px;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-ink-soft);
    cursor: pointer;
    transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--color-ink); color: var(--color-ink); }
.filter-btn.active {
    background: var(--color-ink);
    border-color: var(--color-ink);
    color: #fff;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.gallery .project { aspect-ratio: 4/3; grid-column: auto; }

/* ---------- Services page detail ---------- */
.service-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    padding: clamp(60px, 8vw, 100px) 0;
    border-bottom: 1px solid var(--color-line);
}
.service-row:last-child { border-bottom: none; }
.service-row--reverse .service-row__body { order: 2; }
.service-row--reverse .service-row__media { order: 1; }
.service-row__media {
    aspect-ratio: 5/4;
    border-radius: var(--radius);
    background-size: cover;
    background-position: center;
}
.service-row__body h2 { margin-bottom: 18px; }
.service-row__body > p { font-size: 1.05rem; margin-bottom: 24px; }
.service-row__list {
    list-style: none;
    margin-top: 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 24px;
}
.service-row__list li {
    font-size: 0.95rem;
    color: var(--color-ink-soft);
    padding-left: 22px;
    position: relative;
}
.service-row__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 12px;
    height: 1.5px;
    background: var(--color-accent);
}

/* ---------- About page team/values ---------- */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}
.value { text-align: left; }
.value__num {
    font-family: var(--font-display);
    font-size: 2.2rem;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 14px;
    display: block;
}
.value h3 { margin-bottom: 10px; }

/* ---------- Footer ---------- */
.footer {
    background: var(--color-dark);
    color: rgba(255,255,255,0.7);
    padding: 80px 0 30px;
    font-size: 0.92rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}
.footer h4 {
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.8rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 22px;
}
.footer a { color: rgba(255,255,255,0.7); line-height: 2.2; }
.footer a:hover { color: var(--color-accent); }
.footer ul { list-style: none; }
.footer__brand { font-size: 1.4rem; color: #fff; margin-bottom: 18px; font-family: var(--font-display); }
.footer__desc { margin-bottom: 24px; max-width: 340px; color: rgba(255,255,255,0.65); }
.footer__bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.82rem;
    color: rgba(255,255,255,0.5);
}

/* ---------- Scroll reveal animations ---------- */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.9s cubic-bezier(0.19, 1, 0.22, 1), transform 0.9s cubic-bezier(0.19, 1, 0.22, 1);
    will-change: opacity, transform;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal--left { transform: translateX(-32px); }
.reveal--left.visible { transform: translateX(0); }
.reveal--right { transform: translateX(32px); }
.reveal--right.visible { transform: translateX(0); }
.reveal--scale { transform: scale(0.96); }
.reveal--scale.visible { transform: scale(1); }
.reveal[data-delay="100"] { transition-delay: 0.1s; }
.reveal[data-delay="200"] { transition-delay: 0.2s; }
.reveal[data-delay="300"] { transition-delay: 0.3s; }
.reveal[data-delay="400"] { transition-delay: 0.4s; }

/* ---------- Parallax helper ---------- */
.parallax {
    will-change: transform;
    transition: transform 0.1s linear;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .intro-grid,
    .contact-grid,
    .service-row,
    .cta-band__inner { grid-template-columns: 1fr; gap: 48px; }
    .service-row--reverse .service-row__body,
    .service-row--reverse .service-row__media { order: initial; }
    .services-grid,
    .gallery,
    .testimonial-grid,
    .values-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid,
    .process-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .form__row { grid-template-columns: 1fr; gap: 0; }
    .project--wide,
    .project--narrow { grid-column: span 6; }
    .project--full { aspect-ratio: 16/9; }
    .service-row__list { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
    .nav__toggle { display: block; }
    .nav__links {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 78%;
        max-width: 320px;
        background: var(--color-bg);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 100px 40px 40px;
        gap: 28px;
        transform: translateX(100%);
        transition: transform var(--transition);
        box-shadow: -20px 0 40px rgba(0,0,0,0.08);
    }
    .nav__links.open { transform: translateX(0); }
    .services-grid,
    .gallery,
    .testimonial-grid,
    .values-grid { grid-template-columns: 1fr; }
    .project--wide,
    .project--narrow,
    .project--half,
    .project--third { grid-column: span 12; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer__bottom { flex-direction: column; gap: 10px; text-align: center; }
    .form { padding: 28px; }
    .hero { padding: 120px 0 60px; }
    .hero__actions { flex-direction: column; align-items: stretch; }
    .hero__actions .btn { text-align: center; }
}