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

:root {
    --black:        #0a0a0a;
    --white:        #ffffff;
    --off-white:    #f7f6f3;
    --grey-100:     #f0efec;
    --grey-200:     #e5e3de;
    --grey-400:     #9b9690;
    --grey-600:     #5c5750;
    --gold:         #c9a84c;
    --gold-dim:     rgba(201,168,76,0.15);
    --gold-faint:   rgba(201,168,76,0.06);
    --green:        #1a7a4a;
    --font:         'Inter', -apple-system, sans-serif;
    --radius:       12px;
    --ease:         0.25s ease;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--white);
    color: var(--black);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

.section-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 32px;
}

.overline {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--gold);
    display: block;
    margin-bottom: 18px;
}

h2 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.025em;
}

.section-sub {
    color: var(--grey-600);
    font-size: 1.05rem;
    max-width: 560px;
    margin-top: 16px;
    line-height: 1.75;
}

/* ─── Nav ──────────────────────────────────────────── */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
}

nav.scrolled {
    background: rgba(255,255,255,0.96);
    border-bottom-color: var(--grey-200);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--white);
    transition: color var(--ease);
}

nav.scrolled .logo { color: var(--black); }

.nav-cta {
    font-size: 0.875rem;
    font-weight: 700;
    background: var(--gold);
    color: var(--black);
    padding: 9px 20px;
    border-radius: 8px;
    transition: background var(--ease), color var(--ease), opacity var(--ease);
    letter-spacing: -0.01em;
}

nav.scrolled .nav-cta {
    background: var(--black);
    color: var(--white);
}

.nav-cta:hover { opacity: 0.85; }

/* ─── Hero wrapper ─────────────────────────────────── */
.hero-wrapper {
    position: relative;
    background: var(--black);
    overflow: hidden;
    /* exactly one viewport height, nav is fixed so no offset needed */
    height: 100svh;
    display: flex;
    flex-direction: column;
}

/* Gold spotlight glow — sits behind hero text */
.hero-glow {
    position: absolute;
    top: -80px;
    left: -5%;
    width: 900px;
    height: 900px;
    background: radial-gradient(ellipse, rgba(201,168,76,0.38) 0%, rgba(201,168,76,0.12) 38%, transparent 68%);
    pointer-events: none;
    z-index: 0;
}

/* No fade — trust strip continues the dark section */
.hero-fade { display: none; }

/* ─── Hotel building (CSS art) ─────────────────────── */
.hotel-building {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    /* wide enough to show ~10 columns clearly */
    width: 52%;
    max-width: 640px;
    min-width: 400px;
    z-index: 1;
    pointer-events: none;
    /* left fade: content side → transparent, right stays solid */
    -webkit-mask-image:
        linear-gradient(to right, transparent 0%, black 35%, black 100%),
        linear-gradient(to bottom, transparent 0%, black 12%, black 82%, transparent 100%);
    -webkit-mask-composite: source-in;
    mask-image:
        linear-gradient(to right, transparent 0%, black 35%, black 100%),
        linear-gradient(to bottom, transparent 0%, black 12%, black 82%, transparent 100%);
    mask-composite: intersect;
}

.building-grid {
    display: grid;
    /* 10 columns of small windows */
    grid-template-columns: repeat(10, 1fr);
    gap: 5px;
    padding: 0 12px;
    height: 100%;
}

/* Each window — tall & narrow like real hotel windows */
.window {
    aspect-ratio: 1 / 1.8;
    border-radius: 2px;
    background: rgba(201,168,76,0.04);
    border: 1px solid rgba(201,168,76,0.08);
    transition: background 2.5s ease, border-color 2.5s ease, box-shadow 2.5s ease;
}

.window.lit {
    background: rgba(201,168,76,0.25);
    border-color: rgba(201,168,76,0.45);
    box-shadow: 0 0 8px rgba(201,168,76,0.18), inset 0 0 5px rgba(255,220,100,0.08);
}

.window.bright {
    background: rgba(255,220,100,0.42);
    border-color: rgba(255,220,100,0.65);
    box-shadow: 0 0 14px rgba(255,200,60,0.3), inset 0 0 6px rgba(255,240,140,0.15);
}

/* ─── Hero content ─────────────────────────────────── */
.hero {
    position: relative;
    z-index: 3;
    flex: 1;
    display: flex;
    align-items: center;
    /* nav is fixed 56px, keep content vertically centered within remaining space */
    padding: 56px 32px 100px;
}

.hero-inner {
    max-width: 600px;
    margin-left: max(32px, calc((100vw - 1100px) / 2));
}

.hero .overline {
    color: rgba(201,168,76,0.9);
    margin-bottom: 16px;
}

.hero h1 {
    font-size: clamp(2.2rem, 4.5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.11;
    letter-spacing: -0.04em;
    color: var(--white);
    margin-bottom: 22px;
}

.hero-sub {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.75;
    margin-bottom: 36px;
    max-width: 460px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-block;
    background: var(--gold);
    color: var(--black);
    padding: 15px 32px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 700;
    transition: opacity var(--ease), transform var(--ease);
    letter-spacing: -0.01em;
}

.btn-primary:hover { opacity: 0.88; transform: translateY(-2px); }

.btn-ghost {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.6);
    transition: color var(--ease);
}

.btn-ghost:hover { color: rgba(255,255,255,0.9); }

/* ─── Trust strip — anchored to bottom of hero ─────── */
.trust-strip {
    position: relative;
    z-index: 3;
    background: transparent;
    border-top: 1px solid rgba(255,255,255,0.07);
}

.trust-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 32px 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}

.trust-item {
    flex: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.trust-item strong {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--gold);
    letter-spacing: -0.03em;
}

.trust-item span {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.35);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.trust-sep {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.08);
    flex-shrink: 0;
}

/* ─── Problem ──────────────────────────────────────── */
.problem {
    padding: 100px 0;
    background: var(--white);
}

.problem-header {
    margin-bottom: 64px;
}

.problem-header .section-sub strong { color: var(--black); }

.issues {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--grey-200);
    border: 1px solid var(--grey-200);
    border-radius: var(--radius);
    overflow: hidden;
}

.issue {
    background: var(--white);
    padding: 32px 28px;
    transition: background var(--ease);
}

.issue:hover { background: var(--off-white); }

.issue-num {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--gold);
    display: block;
    margin-bottom: 14px;
}

.issue h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.issue p {
    font-size: 0.88rem;
    color: var(--grey-600);
    line-height: 1.65;
}

/* ─── Results ──────────────────────────────────────── */
.results {
    padding: 100px 0;
    background: var(--black);
}

.results .overline { color: var(--gold); }

.results h2 {
    color: var(--white);
    margin-bottom: 56px;
}

.case-studies {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    overflow: hidden;
}

.case {
    background: #0f0f0f;
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    transition: background var(--ease);
}

.case:hover { background: #141414; }

.case-featured {
    background: #111008;
    border-left: 1px solid rgba(201,168,76,0.2);
    border-right: 1px solid rgba(201,168,76,0.2);
}

.case-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.case-name {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 2px;
}

.case-location {
    display: block;
    font-size: 0.78rem;
    color: rgba(255,255,255,0.35);
}

.case-type {
    font-size: 0.72rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 4px 10px;
    border-radius: 100px;
    color: rgba(255,255,255,0.4);
    white-space: nowrap;
}

.case-stat {
    font-size: 3.8rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    color: var(--gold);
    line-height: 1;
}

.case-featured .case-stat { font-size: 4.5rem; }

.case-desc {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.7;
    flex: 1;
}

.case-quote {
    font-size: 0.82rem;
    font-style: italic;
    color: rgba(255,255,255,0.3);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 16px;
}

.case-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.case-source {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.25);
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.06);
    font-style: italic;
}

.results-cta {
    margin-top: 56px;
    padding: 36px 40px;
    background: rgba(201,168,76,0.07);
    border: 1px solid rgba(201,168,76,0.18);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}

.results-cta p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
}

.results-cta p strong { color: var(--white); }

.btn-results {
    display: inline-block;
    background: var(--gold);
    color: var(--black);
    padding: 13px 28px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    white-space: nowrap;
    transition: opacity var(--ease), transform var(--ease);
}

.btn-results:hover { opacity: 0.88; transform: translateY(-2px); }

/* ─── Process ──────────────────────────────────────── */
.process {
    padding: 100px 0;
    background: var(--off-white);
}

.process h2 { margin-bottom: 56px; }

.steps {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--grey-200);
    border-radius: var(--radius);
    overflow: hidden;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 36px;
    padding: 40px 40px;
    background: var(--white);
    border-bottom: 1px solid var(--grey-200);
    transition: background var(--ease);
}

.step:last-child { border-bottom: none; }
.step:hover { background: var(--grey-100); }

.step-num {
    font-size: 3rem;
    font-weight: 900;
    color: var(--grey-200);
    letter-spacing: -0.05em;
    line-height: 1;
    flex-shrink: 0;
    width: 64px;
    padding-top: 4px;
}

.step-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.015em;
}

.step-body p {
    font-size: 0.93rem;
    color: var(--grey-600);
    line-height: 1.75;
    margin-bottom: 16px;
    max-width: 540px;
}

.step-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(201,168,76,0.1);
    color: #7a5c1e;
    padding: 4px 12px;
    border-radius: 100px;
    letter-spacing: 0.02em;
}

/* ─── Audit CTA ────────────────────────────────────── */
.audit {
    padding: 100px 0;
    background: var(--white);
}

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

.audit-text h2 { margin-bottom: 16px; }

.audit-text p {
    color: var(--grey-600);
    margin-bottom: 36px;
    line-height: 1.75;
}

.audit-reassurance {
    margin-top: 32px;
    padding-top: 28px;
    border-top: 1px solid var(--grey-200);
}

.audit-reassurance p {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--black);
    margin: 0;
}

.audit-promises {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.audit-promises li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--grey-600);
}

.promise-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(201,168,76,0.12);
    color: var(--gold);
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.audit-form {
    background: var(--off-white);
    padding: 40px;
    border-radius: var(--radius);
    border: 1px solid var(--grey-200);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--black);
    letter-spacing: 0.01em;
}

input {
    padding: 12px 14px;
    border: 1.5px solid var(--grey-200);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: var(--font);
    color: var(--black);
    background: var(--white);
    outline: none;
    transition: border-color var(--ease);
}

input::placeholder { color: var(--grey-400); }
input:focus { border-color: var(--black); }

.btn-submit {
    background: var(--black);
    color: var(--white);
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font);
    transition: opacity var(--ease), transform var(--ease);
    letter-spacing: -0.01em;
}

.btn-submit:hover { opacity: 0.85; transform: translateY(-2px); }

.form-disclaimer {
    font-size: 0.78rem;
    color: var(--grey-400);
    text-align: center;
}

/* ─── Footer ───────────────────────────────────────── */
footer {
    background: var(--black);
    padding: 60px 0 28px;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 32px 48px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    margin-bottom: 28px;
}

.footer-left .logo {
    display: block;
    margin-bottom: 12px;
}

.footer-left p {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.35);
    line-height: 1.8;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.4);
    transition: color var(--ease);
}

.footer-links a:hover { color: var(--white); }

.footer-contact p {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.4);
    margin-bottom: 8px;
}

.footer-bottom {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 32px;
}

.footer-bottom p {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.2);
}

/* ─── Fade-in animation ────────────────────────────── */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ─── Responsive ───────────────────────────────────── */
@media (max-width: 960px) {
    .hotel-building { width: 300px; right: -60px; opacity: 0.6; }
    .issues { grid-template-columns: repeat(2, 1fr); }
    .case-studies { grid-template-columns: 1fr; }
    .audit-inner { grid-template-columns: 1fr; gap: 48px; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .hero-inner { margin-left: 32px; }
}

@media (max-width: 640px) {
    /* ── Hero ── */
    .hero {
        padding: 88px 24px 28px;
        align-items: flex-start;
        justify-content: center;
    }
    .hero-inner { margin-left: 0; margin-right: 0; }
    .hero h1 { font-size: clamp(2rem, 9vw, 2.6rem); }
    .hero-sub { font-size: 0.97rem; margin-bottom: 28px; max-width: 100%; }
    .hero-actions { flex-direction: column; align-items: flex-start; gap: 14px; }
    .btn-primary { width: 100%; text-align: center; padding: 16px; }
    .hotel-building { display: none; }

    /* ── Trust strip — 2×2 grid on mobile ── */
    .trust-inner {
        display: grid;
        grid-template-columns: 1fr 1fr;
        padding: 20px 24px 24px;
        gap: 16px 0;
    }
    .trust-sep { display: none; }
    .trust-item { text-align: left; padding: 0 12px; }
    .trust-item strong { font-size: 1.3rem; }
    .trust-item span { font-size: 0.72rem; }

    /* ── Sections ── */
    .section-inner { padding: 0 20px; }
    section { padding: 64px 0; }
    .issues { grid-template-columns: 1fr; }
    .case-studies { grid-template-columns: 1fr; }

    /* ── Process ── */
    .step { flex-direction: column; gap: 14px; padding: 24px 20px; }
    .step-num { font-size: 2rem; width: auto; }

    /* ── Audit form ── */
    .audit-inner { gap: 36px; }
    .audit-form { padding: 24px 20px; }
    .btn-submit { font-size: 0.92rem; }

    /* ── Footer ── */
    .footer-inner { grid-template-columns: 1fr; gap: 28px; }
}