/* ========================================
   The Bottom Line — Custom Styles
   Charcoal + Coral · Confident Corporate
   ======================================== */

/* ---------- CSS Variables ---------- */
:root {
    --color-charcoal-900: #0f0f14;
    --color-charcoal-800: #1a1a2e;
    --color-charcoal-700: #252540;
    --color-charcoal-600: #333354;
    --color-charcoal-500: #4a4a6a;
    --color-charcoal-100: #e8e8f0;
    --color-charcoal-50: #f4f4f8;
    
    --color-coral-500: #FF6B4A;
    --color-coral-400: #FF8566;
    --color-coral-600: #E5553A;
    
    --color-white: #ffffff;
    --color-black: #000000;
    
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.15), 0 4px 12px rgba(0,0,0,0.1);
    --shadow-xl: 0 24px 60px rgba(0,0,0,0.2);
    
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-charcoal-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ---------- Container ---------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Navigation ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: box-shadow var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-charcoal-800);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-charcoal-600);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-coral-500);
    transition: width var(--transition-base);
}

.nav-menu a:hover {
    color: var(--color-charcoal-800);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--color-coral-500);
    color: var(--color-white) !important;
    padding: 10px 24px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--color-coral-600);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-charcoal-800);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--color-charcoal-800);
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.pexels.com/photos/7869341/pexels-photo-7869341.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080') center/cover no-repeat;
    opacity: 0.15;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,15,20,0.92) 0%, rgba(26,26,46,0.88) 50%, rgba(37,37,64,0.85) 100%);
}

.hero-container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 48px;
    align-items: center;
}

.hero-main-card {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 48px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 107, 74, 0.15);
    color: var(--color-coral-400);
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero-headline {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: 20px;
}

.text-coral {
    color: var(--color-coral-500);
}

.hero-subheadline {
    font-size: 1.1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
    max-width: 520px;
}

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

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-xl);
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-coral-500);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(255, 107, 74, 0.35);
}

.btn-primary:hover {
    background: var(--color-coral-600);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(255, 107, 74, 0.45);
}

.btn-outline-light {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-light:hover {
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.08);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.05rem;
}

/* ---------- Stat Cards ---------- */
.hero-stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: transform var(--transition-base), background var(--transition-base);
}

.stat-card:hover {
    transform: translateX(-4px);
    background: rgba(255, 255, 255, 0.1);
}

.stat-card--1 { border-left: 3px solid var(--color-coral-500); }
.stat-card--2 { border-left: 3px solid #4ADE80; }
.stat-card--3 { border-left: 3px solid #60A5FA; }

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 4px;
}

.stat-card--1 .stat-number { color: var(--color-coral-500); }
.stat-card--2 .stat-number { color: #4ADE80; }
.stat-card--3 .stat-number { color: #60A5FA; }

.stat-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.stat-detail {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 2px;
}

/* ---------- Scroll Indicator ---------- */
.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    z-index: 2;
}

.scroll-indicator svg {
    animation: bounce 2s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}

/* ---------- Section Shared ---------- */
.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-coral-500);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-charcoal-800);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-charcoal-500);
    max-width: 600px;
    line-height: 1.7;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

/* ---------- Services ---------- */
.services {
    padding: 100px 0;
    background: var(--color-charcoal-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid rgba(0,0,0,0.06);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 107, 74, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-charcoal-800);
    margin-bottom: 10px;
}

.service-description {
    font-size: 0.95rem;
    color: var(--color-charcoal-500);
    line-height: 1.7;
}

/* ---------- About ---------- */
.about {
    padding: 100px 0;
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-img-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-img-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: var(--color-coral-500);
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.3;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-text p {
    font-size: 1rem;
    color: var(--color-charcoal-600);
    line-height: 1.8;
}

.about-text p + p {
    margin-top: 12px;
}

.about-credentials {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 8px;
}

.credential {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-charcoal-700);
}

/* ---------- Why Us ---------- */
.why-us {
    padding: 100px 0;
    background: var(--color-charcoal-800);
}

.why-us .section-title {
    color: var(--color-white);
}

.why-us .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.why-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: all var(--transition-base);
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.why-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: rgba(255, 107, 74, 0.25);
    line-height: 1;
    margin-bottom: 16px;
}

.why-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 10px;
}

.why-desc {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

/* ---------- Process ---------- */
.process {
    padding: 100px 0;
    background: var(--color-charcoal-50);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-coral-500), rgba(255,107,74,0.2));
    z-index: 0;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-circle {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--color-white);
    border: 3px solid var(--color-coral-500);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-coral-500);
    box-shadow: var(--shadow-md);
}

.step-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-charcoal-800);
    margin-bottom: 8px;
}

.step-desc {
    font-size: 0.9rem;
    color: var(--color-charcoal-500);
    line-height: 1.6;
    padding: 0 8px;
}

/* ---------- CTA ---------- */
.cta {
    padding: 100px 0;
    background: var(--color-white);
}

.cta-card {
    background: var(--color-charcoal-800);
    border-radius: var(--radius-xl);
    padding: 72px 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,107,74,0.15) 0%, transparent 70%);
    pointer-events: none;
}

.cta-card::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(96,165,250,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    margin-bottom: 40px;
}

.cta-content .section-tag {
    color: var(--color-coral-400);
}

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: 16px;
}

.cta-desc {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.65);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

.cta-actions {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.cta-info {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.cta-info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ---------- Footer ---------- */
.footer {
    background: var(--color-charcoal-900);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 12px;
}

.footer-tagline {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

.footer-heading {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 16px;
}

.footer-contact p,
.footer-contact a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-contact a:hover {
    color: var(--color-coral-500);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-coral-500);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
}

/* ---------- Reveal Animations (progressive enhancement) ---------- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .stat-card {
        flex: 1;
        min-width: 160px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image {
        max-width: 500px;
    }
    
    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
    
    .process-timeline::before {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid rgba(0,0,0,0.06);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-main-card {
        padding: 32px;
    }
    
    .hero-stats {
        flex-direction: column;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        grid-template-columns: 1fr;
    }
    
    .cta-card {
        padding: 48px 28px;
    }
    
    .cta-info {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .about-credentials {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-main-card {
        padding: 24px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        justify-content: center;
        width: 100%;
    }
    
    .btn-large {
        padding: 16px 28px;
    }
}