/* ============================================
   AVENZI — PREMIUM MARKETING AGENCY
   Design System: Dark Luxury + Gold Accents
   ============================================ */

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

:root {
    /* Colors */
    --black: #000000;
    --black-rich: #0a0a0a;
    --black-soft: #111111;
    --gray-900: #1a1a1a;
    --gray-800: #222222;
    --gray-700: #333333;
    --gray-600: #555555;
    --gray-500: #777777;
    --gray-400: #999999;
    --gray-300: #bbbbbb;
    --gray-200: #dddddd;
    --white: #f5f5f5;
    --white-pure: #ffffff;

    --gold: #C9A96E;
    --gold-light: #D4BC8B;
    --gold-dark: #A88B4A;
    --gold-glow: rgba(201, 169, 110, 0.15);

    /* Typography */
    --font-serif: 'Cormorant Garamond', 'Georgia', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --text-xs: 0.6875rem;
    --text-sm: 0.8125rem;
    --text-base: 0.9375rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-hero: clamp(2.5rem, 6vw, 4.5rem);

    /* Spacing */
    --sp-1: 0.25rem;
    --sp-2: 0.5rem;
    --sp-3: 0.75rem;
    --sp-4: 1rem;
    --sp-6: 1.5rem;
    --sp-8: 2rem;
    --sp-10: 2.5rem;
    --sp-12: 3rem;
    --sp-16: 4rem;
    --sp-20: 5rem;
    --sp-24: 6rem;

    /* Transitions */
    --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
    --t-fast: 150ms var(--ease-out);
    --t-normal: 300ms var(--ease-out);
    --t-slow: 500ms var(--ease-out);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--black);
    color: var(--gray-300);
    overflow-x: hidden;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--sp-6);
}

/* ============================================
   TOP BAR
   ============================================ */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-3) var(--sp-8);
    background: var(--black);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    position: relative;
    z-index: 100;
}

.top-bar-left {
    display: flex;
    gap: var(--sp-6);
}

.top-link {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--gray-400);
    transition: color var(--t-fast);
}

.top-link:hover {
    color: var(--gold);
}

.search-box {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    color: var(--gray-500);
    font-size: var(--text-sm);
    cursor: pointer;
    padding: var(--sp-2) var(--sp-4);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 4px;
    transition: border-color var(--t-fast);
}

.search-box:hover {
    border-color: var(--gold);
    color: var(--gray-300);
}

/* ============================================
   MAIN HEADER / NAV
   ============================================ */
.main-header {
    position: absolute;
    top: 44px;
    left: 0;
    right: 0;
    z-index: 90;
    padding: var(--sp-6) var(--sp-8);
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-10);
}

.nav-links {
    display: flex;
    gap: var(--sp-8);
}

.nav-left, .nav-right {
    flex: 1;
}

.nav-left {
    justify-content: flex-end;
}

.nav-right {
    justify-content: flex-start;
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--gray-300);
    letter-spacing: 0.02em;
    position: relative;
    padding-bottom: 2px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width var(--t-normal);
}

.nav-link:hover {
    color: var(--white-pure);
}

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

.nav-highlight {
    color: var(--gold);
}

/* Logo */
.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-1);
    flex-shrink: 0;
}

.logo-icon-wrapper {
    width: 36px;
    height: 28px;
}

.logo-crown {
    width: 100%;
    height: 100%;
}

.logo-text {
    font-family: var(--font-sans);
    font-size: var(--text-lg);
    font-weight: 600;
    letter-spacing: 0.25em;
    color: var(--white-pure);
}

/* Mobile menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--sp-2);
    position: fixed;
    top: 60px;
    right: var(--sp-6);
    z-index: 100;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--white-pure);
    transition: all var(--t-normal);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.05);
    transition: transform 8s var(--ease-out);
}

.hero.loaded .hero-img {
    transform: scale(1);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0,0,0,0.5) 0%,
        rgba(0,0,0,0.3) 40%,
        rgba(0,0,0,0.6) 70%,
        rgba(0,0,0,0.85) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 780px;
    padding: var(--sp-8);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: var(--text-hero);
    font-weight: 400;
    font-style: italic;
    color: var(--white-pure);
    line-height: 1.15;
    margin-bottom: var(--sp-6);
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeUp 1s var(--ease-out) 0.3s forwards;
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 300;
    color: var(--gray-300);
    line-height: 1.7;
    letter-spacing: 0.02em;
    margin-bottom: var(--sp-10);
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 1s var(--ease-out) 0.6s forwards;
}

.hero-actions {
    display: flex;
    gap: var(--sp-4);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 1s var(--ease-out) 0.9s forwards;
}

@keyframes heroFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--sp-8);
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    opacity: 0;
    animation: heroFadeUp 1s var(--ease-out) 1.4s forwards;
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 36px;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.2em;
    border: 1px solid;
    cursor: pointer;
    transition: all var(--t-normal);
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--t-slow);
    z-index: -1;
}

.btn:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-filled {
    background: var(--gold);
    color: var(--black);
    border-color: var(--gold);
}

.btn-filled:hover {
    background: transparent;
    color: var(--gold);
}

.btn-filled:hover::before {
    transform: scaleX(0);
}

.btn-ghost {
    background: transparent;
    color: var(--white-pure);
    border-color: var(--gray-600);
}

.btn-ghost:hover {
    color: var(--black);
    border-color: var(--gold);
}

.btn-lg {
    padding: 18px 48px;
    font-size: var(--text-sm);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--sp-24) 0;
}

.section-dark {
    background: var(--black-rich);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    font-style: italic;
    color: var(--white-pure);
    text-align: center;
    margin-bottom: var(--sp-4);
}

.section-subtitle {
    font-size: var(--text-base);
    color: var(--gray-500);
    text-align: center;
    margin-bottom: var(--sp-16);
    font-weight: 300;
}

/* --- Services Grid --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-6);
}

.service-card {
    background: var(--gray-900);
    border: 1px solid rgba(255,255,255,0.05);
    padding: var(--sp-10) var(--sp-8);
    text-align: center;
    transition: all var(--t-slow);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0;
    transition: opacity var(--t-normal);
}

.service-card:hover {
    border-color: rgba(201, 169, 110, 0.2);
    transform: translateY(-4px);
    background: var(--gray-800);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--sp-6);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-family: var(--font-sans);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--white-pure);
    margin-bottom: var(--sp-3);
}

.service-desc {
    font-size: var(--text-sm);
    color: var(--gray-500);
    line-height: 1.6;
}

/* --- Numbers Section --- */
.section-numbers {
    background: var(--black);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: var(--sp-20) 0;
}

.numbers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-8);
    text-align: center;
}

.number-item {
    padding: var(--sp-6);
}

.number {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    color: var(--gold);
    line-height: 1;
}

.number-suffix {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 300;
    color: var(--gold);
}

.number-label {
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin-top: var(--sp-3);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 500;
}

/* --- CTA Section --- */
.section-cta {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--black) 100%);
    text-align: center;
    padding: var(--sp-24) 0;
}

.cta-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 400;
    font-style: italic;
    color: var(--white-pure);
    margin-bottom: var(--sp-4);
}

.cta-text {
    font-size: var(--text-lg);
    color: var(--gray-400);
    margin-bottom: var(--sp-10);
    font-weight: 300;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--black-rich);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: var(--sp-16) 0 var(--sp-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--sp-12);
    margin-bottom: var(--sp-12);
}

.footer-logo {
    font-family: var(--font-sans);
    font-size: var(--text-xl);
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--white-pure);
    display: block;
    margin-bottom: var(--sp-4);
}

.footer-desc {
    font-size: var(--text-sm);
    color: var(--gray-500);
    line-height: 1.6;
    max-width: 280px;
}

.footer-col h4 {
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: var(--sp-4);
}

.footer-col a {
    display: block;
    font-size: var(--text-sm);
    color: var(--gray-500);
    padding: var(--sp-1) 0;
    transition: color var(--t-fast);
}

.footer-col a:hover {
    color: var(--gold);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: var(--sp-6);
    text-align: center;
    font-size: var(--text-xs);
    color: var(--gray-600);
}

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: var(--sp-6);
    right: var(--sp-6);
    width: 52px;
    height: 52px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    transition: all var(--t-normal);
}

.whatsapp-float svg {
    width: 26px;
    height: 26px;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.45);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .numbers-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--sp-8);
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }

    .main-header {
        top: 0;
    }

    .main-nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .logo {
        position: fixed;
        top: 16px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 100;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-subtitle br {
        display: none;
    }

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

    .numbers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--sp-4);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--sp-6);
    }

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

    .btn {
        width: 100%;
        max-width: 320px;
    }
}

/* ============================================
   SCROLL REVEAL
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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