@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Outfit:wght@400;600;800&display=swap');

:root {
    /* Color Palette */
    --bg-dark: hsl(230, 40%, 8%);
    --bg-surface: hsl(230, 30%, 12%);
    --bg-surface-light: hsl(230, 30%, 18%);
    
    --primary: hsl(45, 100%, 50%); /* King Gold */
    --primary-glow: hsla(45, 100%, 50%, 0.3);
    --secondary: hsl(230, 80%, 60%);
    
    --text-main: hsl(0, 0%, 98%);
    --text-sub: hsl(0, 0%, 75%);
    --text-muted: hsl(0, 0%, 55%);
    
    --accent-gradient: linear-gradient(135deg, hsl(45, 100%, 50%), hsl(35, 100%, 50%));
    --surface-gradient: linear-gradient(180deg, hsla(230, 30%, 15%, 0.5), hsla(230, 30%, 10%, 0.5));
    
    /* Spacing & Borders */
    --border-radius-lg: 1.5rem;
    --border-radius-md: 0.75rem;
    --spacing-xl: 5rem;
    --section-padding: clamp(3rem, 8vw, 6rem) clamp(1rem, 5vw, 5%);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --nav-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

body.nav-open {
    overflow: hidden;
}

h1, h2, h3, .logo {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.02em;
}

h1 span, h2 span, .text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

img {
    max-width: 100%;
    height: auto;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    z-index: 2000;
    padding: 0.75rem 1rem;
    background: var(--primary);
    color: #000;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius-md);
}

.skip-link:focus {
    top: 1rem;
}

/* Base Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 4vw, 1.5rem);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.875rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: none;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background: var(--accent-gradient);
    color: black;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: hsla(45, 100%, 50%, 0.1);
}

.btn-nav {
    padding: 0.5rem 1.25rem;
    min-height: 40px;
    color: #000;
}

.section-title {
    text-align: center;
    font-size: clamp(1.75rem, 5vw, 3rem);
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-sub);
    margin-bottom: clamp(2rem, 5vw, 4rem);
    max-width: 600px;
    margin-inline: auto;
}

.section-heading {
    font-size: clamp(1.75rem, 4.5vw, 3rem);
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    margin-bottom: 2rem;
}

.feature-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.feature-list i {
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.hero-btns {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
}

.cta-section {
    text-align: center;
    padding-block: clamp(4rem, 12vw, 10rem);
    padding-inline: clamp(1rem, 5vw, 5%);
}

.cta-section h2 {
    font-size: clamp(2rem, 6vw, 4rem);
    margin-bottom: 1.5rem;
}

.cta-section p {
    color: var(--text-sub);
    margin-bottom: 2.5rem;
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    max-width: 640px;
    margin-inline: auto;
}

.cta-section .btn {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    padding: 1rem 2rem;
}

.mock-chat {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
}

.mock-bubble-in {
    background: #25D366;
    color: white;
    padding: 1rem;
    border-radius: 12px 12px 12px 0;
    width: min(100%, 320px);
    font-size: 0.875rem;
}

.mock-bubble-out {
    align-self: flex-end;
    background: var(--primary);
    color: black;
    padding: 0.5rem 1rem;
    border-radius: 12px 12px 0 12px;
    font-weight: bold;
    font-size: 0.875rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    background: hsla(230, 40%, 5%, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid hsla(0, 0%, 100%, 0.08);
    overflow: visible;
}

#navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    gap: 1rem;
    overflow: visible;
}

#navbar.scrolled {
    background: hsla(230, 40%, 5%, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid hsla(0, 0%, 100%, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0.5rem;
    background: transparent;
    border: 1px solid hsla(0, 0%, 100%, 0.15);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-main);
    transition: var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Broker King logo variants in assets/:
   1.svg, 2.svg, 3.svg — full-color marks on white background (use on light surfaces)
   4.svg — light mark for dark surfaces (nav, footer, favicon) */

.broker-king-logo {
    height: clamp(36px, 8vw, 44px);
    width: clamp(36px, 8vw, 44px);
    max-width: 44px;
    display: block;
    object-fit: contain;
    flex-shrink: 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

#navbar .logo {
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    min-width: 0;
}

.logo-text {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    font-weight: 800;
    color: var(--primary);
    white-space: nowrap;
}

.neoant-mark {
    height: 18px;
    width: 18px;
    object-fit: contain;
    border-radius: 4px;
    flex-shrink: 0;
}

.footer-operator {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: clamp(0.75rem, 2vw, 2.5rem);
    margin-left: auto;
    flex-shrink: 0;
    justify-content: flex-end;
}

@media (min-width: 641px) {
    #navbar .nav-links {
        position: static;
        transform: none;
        width: auto;
        height: auto;
        flex-direction: row;
        background: transparent;
        border: none;
        padding: 0;
        overflow: visible;
        display: flex;
    }
}

#navbar .nav-links a {
    color: var(--text-sub);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

#navbar .nav-links a:hover {
    color: var(--primary);
}

#navbar .nav-links a.btn-primary,
#navbar .nav-links a.btn-nav {
    color: hsl(230, 40%, 8%);
    font-weight: 700;
}

#navbar .nav-links a.btn-primary:hover,
#navbar .nav-links a.btn-nav:hover {
    color: hsl(230, 40%, 8%);
}

.nav-overlay {
    display: none;
}

/* Sections */
section {
    padding: var(--section-padding);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: calc(var(--nav-height) + 1rem);
    background: radial-gradient(circle at 80% 20%, hsla(45, 100%, 50%, 0.05), transparent 40%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

.hero-content h1 {
    font-size: clamp(2rem, 6vw, 4rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-sub);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-visual {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 50px 100px -20px rgba(0,0,0,0.5);
    border: 1px solid hsla(0, 0%, 100%, 0.1);
    background: var(--bg-surface);
    min-height: 280px;
    height: clamp(280px, 45vw, 500px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, var(--bg-dark), transparent);
    pointer-events: none;
}

.hero-mock {
    padding: clamp(1rem, 3vw, 2rem);
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero-mock-bar {
    background: var(--bg-surface-light);
    height: 40px;
    border-radius: 8px;
    width: 60%;
}

.hero-mock-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    flex-grow: 1;
}

.hero-mock-card {
    background: var(--bg-surface-light);
    border-radius: 12px;
    padding: 1rem;
}

.hero-mock-card.highlight {
    border: 1px solid var(--primary);
}

.hero-mock-card-bar {
    background: hsla(45, 100%, 50%, 0.2);
    height: 20px;
    border-radius: 4px;
    width: 40%;
    margin-bottom: 1rem;
}

.hero-mock-line {
    background: hsla(0, 0%, 100%, 0.05);
    height: 10px;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.hero-mock-line.short {
    width: 60%;
}

.hero-mock-line.medium {
    width: 80%;
}

.hero-mock-footer {
    background: var(--bg-surface-light);
    height: 100px;
    border-radius: 12px;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-surface);
    padding: clamp(1.5rem, 4vw, 3rem);
    border-radius: var(--border-radius-lg);
    border: 1px solid hsla(0, 0%, 100%, 0.05);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: hsla(45, 100%, 50%, 0.1);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-sub);
}

.ai-highlight {
    background: var(--bg-surface);
}

.section-surface {
    background: var(--bg-surface);
}

.loan-mock-title {
    margin-bottom: 1rem;
    color: var(--primary);
    font-size: 1rem;
}

.loan-mock-fields {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.loan-mock-field {
    background: hsla(0, 0%, 100%, 0.05);
    height: 12px;
    border-radius: 4px;
}

.loan-mock-field.short {
    width: 40%;
}

.loan-mock-field.medium {
    width: 60%;
}

.loan-mock-submit {
    margin-top: 0.5rem;
    background: var(--primary);
    min-height: 30px;
    border-radius: 6px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: black;
    font-size: 0.8rem;
    font-weight: bold;
}

/* Legal pages */
.legal-content {
    padding: calc(var(--nav-height) + 2rem) clamp(1rem, 5vw, 5%) 4rem;
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    margin-bottom: 2rem;
    color: var(--primary);
}

.legal-content h2 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.legal-content p,
.legal-content ul {
    margin-bottom: 1rem;
    color: var(--text-sub);
}

.legal-content ul {
    padding-left: 1.5rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
}

.legal-content a {
    color: var(--primary);
}

/* Footer */
footer {
    padding: clamp(2rem, 5vw, 3rem) clamp(1rem, 5vw, 5%);
    background: hsl(230, 40%, 4%);
    border-top: 1px solid hsla(0, 0%, 100%, 0.05);
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
}

.footer-info p {
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    margin-top: 0.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid hsla(0, 0%, 100%, 0.08);
    width: 100%;
    position: static;
}

.footer-legal a {
    color: var(--text-muted);
    text-decoration: none;
}

.footer-legal a:hover {
    color: var(--primary);
}

@media (max-width: 1100px) {
    #navbar .nav-links {
        gap: 1rem;
    }

    #navbar .nav-links a:not(.btn-nav) {
        font-size: 0.9375rem;
    }

    #navbar .nav-links .btn-nav {
        padding: 0.5rem 1rem;
        font-size: 0.9375rem;
    }
}

@media (max-width: 768px) {
    #navbar .nav-links {
        gap: 0.75rem;
    }

    #navbar .nav-links a:not(.btn-nav) {
        font-size: 0.875rem;
    }

    #navbar .nav-links .btn-nav {
        padding: 0.5rem 0.875rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 640px) {
    .nav-toggle {
        display: flex;
    }

    .nav-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.55);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 999;
    }

    .nav-overlay.visible {
        opacity: 1;
        visibility: visible;
    }

    #navbar .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 88vw);
        height: 100vh;
        height: 100dvh;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: calc(var(--nav-height) + 1rem) 1.5rem 2rem;
        background: hsl(230, 40%, 6%);
        border-left: 1px solid hsla(0, 0%, 100%, 0.1);
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
        margin-left: 0;
        justify-content: flex-start;
    }

    #navbar .nav-links.open {
        transform: translateX(0);
    }

    #navbar .nav-links a {
        padding: 0.875rem 0;
        border-bottom: 1px solid hsla(0, 0%, 100%, 0.06);
        white-space: normal;
    }

    #navbar .nav-links .btn-nav {
        margin-top: 1rem;
        width: 100%;
    }

    .hero-grid,
    .hero-grid.split-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content p,
    .section-subtitle {
        margin-inline: auto;
    }

    .hero-btns {
        align-items: center;
    }

    .hero-visual {
        order: -1;
    }

    .split-grid.content-first-mobile .hero-content {
        order: 1;
    }

    .split-grid.content-first-mobile .hero-visual {
        order: 2;
    }

    .logo-text {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-mock-grid {
        grid-template-columns: 1fr;
    }

    .feature-card:hover {
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .reveal,
    .btn-primary:hover,
    .feature-card:hover {
        transition: none;
        transform: none;
    }
}