/* ============================
   IMPERIAL PORTO TOURS
   ============================ */

:root {
    --bg-dark: #0f0f12;
    --bg-darker: #08080a;
    --bg-light: #faf8f3;
    --bg-cream: #f5f0e6;
    --text-dark: #1a1a1a;
    --text-muted: #6b6b6b;
    --text-light: #e8e4d9;
    --gold: #c9a961;
    --gold-bright: #e0c178;
    --gold-dark: #9e8345;
    --accent: #a4162c;
    --border: rgba(201, 169, 97, 0.2);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --transition: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    color: var(--text-dark);
    background: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

.section {
    padding: 120px 0;
}

/* TYPOGRAPHY */
h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.section-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gold-dark);
    margin-bottom: 20px;
    position: relative;
    padding-left: 40px;
}

.section-eyebrow::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 28px;
    height: 1px;
    background: var(--gold);
}

.section-eyebrow.light {
    color: var(--gold-bright);
}

.section-title {
    font-size: clamp(32px, 4.5vw, 52px);
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.section-title.light {
    color: var(--bg-light);
}

.section-title .gold {
    color: var(--gold);
    font-weight: 600;
}

.section-lead {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 20px;
    max-width: 620px;
    line-height: 1.75;
}

.section-head {
    margin-bottom: 70px;
}

.section-head.center {
    text-align: center;
}

.section-head.center .section-eyebrow {
    padding-left: 40px;
    padding-right: 40px;
}

.section-head.center .section-eyebrow::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    width: 28px;
    height: 1px;
    background: var(--gold);
}

.section-head.center .section-lead {
    margin-left: auto;
    margin-right: auto;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 999px;
    cursor: pointer;
    border: none;
    transition: all 0.3s var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gold);
    color: var(--bg-darker);
}

.btn-primary:hover {
    background: var(--gold-bright);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(201, 169, 97, 0.4);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: #fff;
    color: var(--text-dark);
    border-color: #fff;
}

.btn-large {
    padding: 20px 40px;
    font-size: 15px;
}

/* NAVBAR */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    transition: all 0.4s var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 15, 18, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav-logo img {
    height: 95px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    transition: height 0.3s var(--transition);
}

.navbar.scrolled .nav-logo img {
    height: 72px;
}

.nav-menu {
    display: flex;
    gap: 36px;
    margin-left: auto;
    margin-right: 24px;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.04em;
    position: relative;
    padding: 8px 0;
    transition: color 0.3s;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--gold);
    transition: width 0.3s var(--transition);
}

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

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

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--gold);
    color: var(--bg-darker);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 999px;
    transition: all 0.3s var(--transition);
}

.nav-cta:hover {
    background: var(--gold-bright);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(201, 169, 97, 0.4);
}

.nav-cta i {
    font-size: 16px;
}

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

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: all 0.3s;
}

/* HERO */
.hero {
    position: relative;
    height: 100vh;
    min-height: 680px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: #fff;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(15, 15, 18, 0.6) 0%, rgba(15, 15, 18, 0.4) 40%, rgba(15, 15, 18, 0.85) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 24px;
    max-width: 960px;
    animation: fadeUp 1.2s var(--transition);
}

.hero-eyebrow {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--gold-bright);
    margin-bottom: 28px;
    padding: 8px 20px;
    border: 1px solid rgba(224, 193, 120, 0.35);
    border-radius: 999px;
}

.hero-title {
    font-size: clamp(52px, 9vw, 120px);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.hero-title span {
    color: var(--gold);
    font-weight: 700;
}

.hero-subtitle {
    font-size: clamp(16px, 1.8vw, 20px);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

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

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 11px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(180deg, transparent, var(--gold) 50%, transparent);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: -20px;
    left: 0;
    width: 100%;
    height: 20px;
    background: var(--gold-bright);
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { top: -20px; }
    100% { top: 100%; }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ABOUT */
.about {
    background: var(--bg-light);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 80px;
    right: 0;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(201, 169, 97, 0.08) 0%, transparent 70%);
    z-index: 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--border);
}

.stat-num {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 44px;
    font-weight: 600;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.4;
    letter-spacing: 0.04em;
}

.about-image {
    position: relative;
}

.about-frame {
    position: relative;
    aspect-ratio: 4/5;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1a1e 100%);
    border-radius: var(--radius);
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-frame::before {
    content: '';
    position: absolute;
    inset: 12px;
    border: 1px solid rgba(201, 169, 97, 0.3);
    border-radius: 8px;
    pointer-events: none;
}

.about-frame img {
    width: 100%;
    height: auto;
    filter: brightness(1.1);
}

.about-badge {
    position: absolute;
    bottom: -30px;
    left: -30px;
    width: 130px;
    height: 130px;
    background: var(--gold);
    color: var(--bg-darker);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    box-shadow: 0 15px 40px rgba(201, 169, 97, 0.4);
    animation: pulse-gold 3s infinite;
}

.about-badge i {
    font-size: 24px;
}

@keyframes pulse-gold {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.04); }
}

/* SERVICES */
.services {
    background: var(--bg-cream);
    position: relative;
}

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

.service-card {
    background: #fff;
    padding: 48px 32px;
    border-radius: var(--radius);
    transition: all 0.4s var(--transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--bg-cream);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--gold);
    font-size: 24px;
    transition: all 0.3s;
}

.service-card:hover .service-icon {
    background: var(--gold);
    color: #fff;
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
}

/* FLEET */
.fleet {
    background: var(--bg-light);
}

.fleet-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.fleet-image {
    position: relative;
    padding: 40px;
    background: linear-gradient(135deg, var(--bg-cream) 0%, #ebe4d4 100%);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.fleet-image::before {
    content: '';
    position: absolute;
    inset: 20px;
    border: 1px solid var(--border);
    border-radius: 8px;
    pointer-events: none;
}

.fleet-image img {
    width: 100%;
    height: auto;
    display: block;
    position: relative;
    z-index: 1;
}

.fleet-text p {
    color: var(--text-muted);
    margin-bottom: 32px;
    font-size: 16px;
    line-height: 1.8;
}

.fleet-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 32px;
}

.fleet-feature {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 22px;
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.fleet-feature:hover {
    border-color: var(--gold);
    transform: translateY(-3px);
}

.fleet-feature i {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg-cream);
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.fleet-feature span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

/* WHY */
.why {
    background: var(--bg-dark);
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.why::before,
.why::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(201, 169, 97, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.why::before {
    top: -200px;
    left: -200px;
    width: 600px;
    height: 600px;
}

.why::after {
    bottom: -200px;
    right: -200px;
    width: 500px;
    height: 500px;
}

.why .container {
    position: relative;
    z-index: 1;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.why-item {
    text-align: center;
    padding: 32px 24px;
    transition: transform 0.3s var(--transition);
}

.why-item:hover {
    transform: translateY(-6px);
}

.why-item i {
    font-size: 36px;
    color: var(--gold);
    margin-bottom: 20px;
    display: inline-block;
}

.why-item h3 {
    font-size: 22px;
    color: #fff;
    margin-bottom: 12px;
}

.why-item p {
    color: rgba(232, 228, 217, 0.7);
    font-size: 15px;
    line-height: 1.7;
}

/* CONTACT */
.contact {
    background: var(--bg-cream);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 80px;
    align-items: center;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 40px 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 24px;
    background: #fff;
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s;
    border: 1px solid transparent;
}

.contact-item:hover {
    border-color: var(--gold);
    transform: translateX(4px);
}

.contact-item i {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-cream);
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-item span {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2px;
}

.contact-item strong {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

.contact-card {
    background: var(--bg-dark);
    color: #fff;
    padding: 56px 44px;
    border-radius: var(--radius);
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.contact-card::before {
    content: '';
    position: absolute;
    inset: 14px;
    border: 1px solid rgba(201, 169, 97, 0.3);
    border-radius: 8px;
    pointer-events: none;
}

.contact-card i {
    font-size: 40px;
    color: var(--gold);
    margin-bottom: 20px;
}

.contact-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #fff;
}

.contact-card p {
    font-style: italic;
    color: rgba(255, 255, 255, 0.85);
    font-family: 'Playfair Display', serif;
    font-size: 17px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.signature {
    display: block;
    font-size: 12px;
    color: var(--gold-bright);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* FOOTER */
.footer {
    background: var(--bg-darker);
    color: var(--text-light);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand img {
    height: 120px;
    width: auto;
    margin-bottom: 20px;
    filter: brightness(1.2);
}

.footer-brand p {
    color: rgba(232, 228, 217, 0.6);
    font-size: 14px;
    max-width: 300px;
    line-height: 1.7;
}

.footer-col h4 {
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 24px;
}

.footer-col a,
.footer-col p {
    display: block;
    color: rgba(232, 228, 217, 0.7);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.3s;
}

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

.footer-col p i {
    color: var(--gold);
    margin-right: 8px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(201, 169, 97, 0.3);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    margin-bottom: 0;
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--gold);
    color: var(--bg-darker);
    border-color: var(--gold);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(201, 169, 97, 0.15);
    text-align: center;
    color: rgba(232, 228, 217, 0.5);
    font-size: 13px;
}

/* WHATSAPP FLOAT */
.wa-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    font-size: 30px;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
    z-index: 99;
    transition: transform 0.3s;
}

.wa-float:hover {
    transform: scale(1.1);
}

.wa-pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: #25D366;
    animation: pulse-wa 2s infinite;
    z-index: -1;
}

@keyframes pulse-wa {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }
    100% {
        transform: scale(1.6);
        opacity: 0;
    }
}

/* SCROLL REVEAL */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--transition);
}

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

/* RESPONSIVE */
@media (max-width: 1100px) {
    .section { padding: 90px 0; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid, .fleet-grid, .contact-grid {
        gap: 60px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 800px) {
    .container { padding: 0 24px; }
    .section { padding: 70px 0; }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--bg-darker);
        flex-direction: column;
        justify-content: center;
        gap: 28px;
        transition: right 0.4s var(--transition);
        padding: 40px;
        margin: 0;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 18px;
    }

    .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero { min-height: 600px; }

    .about-grid,
    .fleet-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }

    .services-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; gap: 24px; }

    .stats { grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
    .stat-num { font-size: 32px; }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .wa-float {
        width: 54px;
        height: 54px;
        font-size: 26px;
        bottom: 20px;
        right: 20px;
    }

    .section-head { margin-bottom: 50px; }
}

@media (max-width: 500px) {
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .about-badge {
        width: 100px;
        height: 100px;
        font-size: 10px;
        bottom: -20px;
        left: -15px;
    }

    .about-badge i {
        font-size: 20px;
    }

    .contact-card { padding: 40px 28px; }
}