/* =============================================
   OPERATING AUTHORITY — WHITE EDITION
   Layout inspired by Symphoniq.ai
   ============================================= */

:root {
    --navy: #0f1923;
    --navy-mid: #1a2332;
    --gold: #b8922a;
    --gold-light: #c8a868;
    --off-white: #f7f5f0;
    --white: #ffffff;
    --gray: #6b7280;
    --gray-light: #9ca3af;
    --border: #e5e1d8;
    --border-dark: #d1ccc0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--navy);
    background: var(--white);
    line-height: 1.6;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 48px;
}

/* ---- Typography ---- */

h1, h2, h3, h4 {
    font-family: 'Stack Sans Headline', sans-serif;
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

h1 { font-size: 64px; }
h2 { font-size: 48px; }
h3 { font-size: 24px; margin-bottom: 12px; }
h4 { font-size: 18px; margin-bottom: 6px; font-family: 'Inter', sans-serif; font-weight: 600; letter-spacing: -0.01em; }

p { line-height: 1.7; }

.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 20px;
}

/* ---- Buttons ---- */

.btn {
    display: inline-block;
    padding: 13px 28px;
    font-size: 14px;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.02em;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    border-radius: 4px;
}

.btn-primary {
    background: #1b3a5c;
    color: var(--white);
}
.btn-primary:hover {
    background: var(--gold);
    color: var(--white);
}

.btn-nav {
    background: transparent;
    color: var(--navy);
    border: 1px solid var(--border-dark);
    padding: 10px 22px;
    font-size: 13px;
}
.btn-nav:hover {
    background: var(--navy);
    color: var(--white);
    border-color: var(--navy);
}

.btn-gold {
    background: var(--gold);
    color: var(--white);
    width: 100%;
    text-align: center;
    padding: 16px 28px;
    font-size: 15px;
}
.btn-gold:hover {
    background: var(--gold-light);
}

/* =============================================
   NAV
   ============================================= */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.nav.scrolled {
    border-bottom-color: var(--border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    text-decoration: none;
    display: flex;
    align-items: center;
}
.nav-logo-img {
    height: 52px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    font-size: 14px;
    color: var(--gray);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* =============================================
   HERO
   ============================================= */

.hero {
    padding: 160px 0 120px;
    background: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
    border: 1px solid var(--gold-light);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 36px;
}

.hero h1 {
    max-width: 780px;
    margin: 0 auto 24px;
}

.hero-sub {
    font-size: 20px;
    color: var(--gray);
    max-width: 560px;
    margin: 0 auto 48px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.hero-note {
    font-size: 14px;
    color: var(--gray);
    font-style: italic;
}

/* =============================================
   PROOF BAR
   ============================================= */

.proof-bar {
    padding: 32px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--off-white);
}

.proof-bar .container {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.proof-label {
    font-size: 12px;
    color: var(--gray-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    white-space: nowrap;
    flex-shrink: 0;
}

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

.proof-items span {
    font-size: 14px;
    color: var(--gray);
}

.dot {
    color: var(--border-dark);
}

/* =============================================
   PROBLEM
   ============================================= */

.problem {
    padding: 120px 0;
    background: var(--white);
}

.problem .section-label {
    margin-bottom: 20px;
}

.problem h2 {
    max-width: 680px;
    margin-bottom: 80px;
    line-height: 1.15;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
}

.card {
    background: var(--white);
    padding: 48px 40px;
    transition: background 0.2s ease;
}

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

.card-num {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--gray-light);
    margin-bottom: 32px;
    font-family: 'Inter', sans-serif;
}

.card h3 {
    margin-bottom: 16px;
    font-size: 22px;
}

.card p {
    color: var(--gray);
    font-size: 16px;
    line-height: 1.7;
}

/* =============================================
   SOLUTION
   ============================================= */

.solution {
    padding: 120px 0;
    background: var(--off-white);
    border-top: 1px solid var(--border);
}

.solution-inner {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 100px;
    align-items: start;
}

.solution-left {
    position: sticky;
    top: 100px;
}

.solution-left h2 {
    margin-bottom: 24px;
    font-size: 42px;
}

.solution-sub {
    color: var(--gray);
    margin-bottom: 40px;
    font-size: 16px;
    line-height: 1.7;
}

.solution-item {
    display: flex;
    gap: 20px;
    padding: 36px 0;
    border-bottom: 1px solid var(--border);
}

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

.solution-icon {
    font-size: 18px;
    color: var(--gold);
    flex-shrink: 0;
    margin-top: 2px;
}

.solution-item h4 {
    font-size: 17px;
    margin-bottom: 10px;
}

.solution-item p {
    color: var(--gray);
    font-size: 15px;
    line-height: 1.7;
}

/* =============================================
   HOW IT WORKS
   ============================================= */

.how-it-works {
    padding: 120px 0;
    background: var(--white);
    border-top: 1px solid var(--border);
}

.how-it-works .section-label { margin-bottom: 20px; }

.how-it-works h2 {
    margin-bottom: 80px;
    max-width: 600px;
}

.steps {
    display: grid;
    grid-template-columns: 1fr 1px 1fr 1px 1fr;
    gap: 0;
}

.step {
    padding: 0 48px 0 0;
}

.step:last-child {
    padding-left: 48px;
    padding-right: 0;
}

.step:nth-child(3) {
    padding-left: 48px;
    padding-right: 0;
}

.step-divider {
    background: var(--border);
    width: 1px;
    min-height: 160px;
}

.step-num {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--gold);
    margin-bottom: 24px;
    font-family: 'Inter', sans-serif;
}

.step h3 {
    font-size: 22px;
    margin-bottom: 16px;
}

.step p {
    color: var(--gray);
    font-size: 16px;
    line-height: 1.7;
}

/* =============================================
   WHY IT WORKS
   ============================================= */

.why {
    padding: 120px 0;
    background: var(--off-white);
    border-top: 1px solid var(--border);
}

.why-inner {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 100px;
    align-items: start;
}

.why-left h2 {
    font-size: 42px;
    margin-bottom: 20px;
}

.why-left p {
    color: var(--gray);
    font-size: 16px;
    line-height: 1.7;
}

.why-right {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.why-item {
    display: flex;
    gap: 20px;
    padding: 32px 0;
    border-bottom: 1px solid var(--border);
}

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

.check {
    font-size: 14px;
    color: var(--gold);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.why-item h4 {
    font-size: 16px;
    margin-bottom: 8px;
}

.why-item p {
    color: var(--gray);
    font-size: 15px;
    line-height: 1.7;
}

/* =============================================
   INVESTMENT
   ============================================= */

.investment {
    padding: 120px 0;
    background: var(--white);
    border-top: 1px solid var(--border);
}

.investment .section-label { margin-bottom: 20px; }

.investment h2 {
    margin-bottom: 72px;
    text-align: center;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto 48px;
}

.price-card {
    padding: 48px;
    border: 1px solid var(--border);
    background: var(--off-white);
    transition: border-color 0.2s ease;
}

.price-card:hover {
    border-color: var(--gold-light);
}

.price-card-featured {
    background: var(--navy);
    border-color: var(--navy);
}

.price-card-featured:hover {
    border-color: var(--gold);
}

.price-phase {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
}

.price-card-featured .price-phase {
    color: var(--gold-light);
}

.price-card h3 {
    font-size: 26px;
    margin-bottom: 12px;
}

.price-card-featured h3 {
    color: var(--white);
}

.price-desc {
    color: var(--gray);
    font-size: 15px;
    margin-bottom: 32px;
    line-height: 1.6;
}

.price-card-featured .price-desc {
    color: rgba(255,255,255,0.55);
}

.price-amount {
    font-family: 'Stack Sans Headline', sans-serif;
    font-size: 52px;
    letter-spacing: -0.03em;
    color: var(--navy);
    line-height: 1;
    margin-bottom: 4px;
}

.price-card-featured .price-amount {
    color: var(--white);
}

.price-period {
    font-size: 13px;
    color: var(--gray-light);
    margin-bottom: 36px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.price-card-featured .price-period {
    color: rgba(255,255,255,0.4);
}

.price-list {
    list-style: none;
    border-top: 1px solid var(--border);
}

.price-card-featured .price-list {
    border-top-color: rgba(255,255,255,0.12);
}

.price-list li {
    display: flex;
    gap: 12px;
    align-items: baseline;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
    color: var(--gray);
}

.price-card-featured .price-list li {
    color: rgba(255,255,255,0.7);
    border-bottom-color: rgba(255,255,255,0.12);
}

.li-check {
    color: var(--gold);
    flex-shrink: 0;
    font-size: 13px;
}

.price-card-featured .li-check {
    color: var(--gold-light);
}

.deposit-note {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 24px 32px;
    border: 1px solid var(--border);
    color: var(--gray);
    font-size: 15px;
}

.deposit-note strong {
    color: var(--navy);
}

/* =============================================
   FAQ
   ============================================= */

.faq {
    padding: 120px 0;
    background: var(--off-white);
    border-top: 1px solid var(--border);
}

.faq-inner {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 100px;
    align-items: start;
}

.faq-left {
    position: sticky;
    top: 100px;
}

.faq-left h2 {
    font-size: 40px;
}

.faq-list {
    border-top: 1px solid var(--border);
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-q {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 28px 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    gap: 24px;
}

.faq-q span:first-child {
    font-size: 17px;
    font-weight: 500;
    color: var(--navy);
    line-height: 1.4;
    transition: color 0.2s;
    font-family: 'Inter', sans-serif;
}

.faq-q:hover span:first-child {
    color: var(--gold);
}

.plus {
    font-size: 22px;
    color: var(--gold);
    font-weight: 300;
    transition: transform 0.25s ease;
    flex-shrink: 0;
}

.faq-item.active .plus {
    transform: rotate(45deg);
}

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.faq-item.active .faq-a {
    max-height: 400px;
}

.faq-a p {
    padding-bottom: 28px;
    color: var(--gray);
    font-size: 16px;
    line-height: 1.75;
}

/* =============================================
   FINAL CTA
   ============================================= */

.cta-final {
    padding: 120px 0;
    background: var(--navy);
    border-top: 1px solid rgba(255,255,255,0.06);
}

.cta-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: start;
}

.cta-left .section-label.light,
.cta-final .section-label.light {
    color: var(--gold-light);
}

.cta-left h2,
.cta-final h2 {
    color: var(--white);
    font-size: 42px;
    margin-bottom: 20px;
}

.cta-left p,
.cta-final p {
    color: rgba(255,255,255,0.72);
    font-size: 16px;
    line-height: 1.7;
}

.cta-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cta-form input {
    padding: 16px 20px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.22);
    color: var(--white);
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    border-radius: 4px;
    transition: border-color 0.2s;
}

.cta-form input::placeholder {
    color: rgba(255,255,255,0.45);
}

.cta-form input:focus {
    outline: none;
    border-color: var(--gold-light);
}

.form-note {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    text-align: center;
}

/* =============================================
   FOOTER
   ============================================= */

footer {
    padding: 40px 0;
    background: var(--navy-mid);
    border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    height: 48px;
    width: auto;
    display: block;
    opacity: 0.9;
    border-radius: 6px;
}

.footer-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.footer-copy {
    font-size: 13px;
    color: rgba(255,255,255,0.3);
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: rgba(255,255,255,0.65);
}

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

@media (max-width: 1024px) {
    h1 { font-size: 52px; }
    h2 { font-size: 40px; }

    .solution-inner,
    .why-inner,
    .faq-inner,
    .cta-inner {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .solution-left,
    .why-left,
    .faq-left {
        position: static;
    }
}

@media (max-width: 900px) {
    .container { padding: 0 28px; }

    h1 { font-size: 42px; }
    h2 { font-size: 34px; }

    .hero { padding: 130px 0 80px; }

    .nav-links { display: none; }

    .grid-3 {
        grid-template-columns: 1fr;
        gap: 1px;
    }

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

    .step-divider { display: none; }

    .step, .step:nth-child(3), .step:last-child {
        padding: 0;
    }

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

    .proof-bar .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}

@media (max-width: 600px) {
    h1 { font-size: 34px; }
    h2 { font-size: 28px; }

    .hero { padding: 110px 0 72px; }

    .hero-cta { flex-direction: column; align-items: center; }

    .hero-sub { font-size: 17px; }

    .problem, .solution, .how-it-works, .why,
    .investment, .faq, .cta-final {
        padding: 80px 0;
    }

    .card { padding: 36px 28px; }

    .price-card { padding: 36px 28px; }

    .price-amount { font-size: 44px; }

    .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
    .footer-right { align-items: center; }
}