/* =============================================
   PT BINUS TOUR DAN TRAVEL - Company Profile
   style.css
   ============================================= */

/* ---- CSS Variables ---- */
:root {
    --blue-900: #0a1628;
    --blue-800: #0f2245;
    --blue-700: #143270;
    --blue-600: #1a4a9e;
    --blue-500: #1e5fc2;
    --blue-400: #3b82f6;
    --blue-300: #60a5fa;
    --blue-200: #93c5fd;
    --blue-100: #dbeafe;
    --blue-50: #eff6ff;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    letter-spacing: 0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
    color: var(--white);
    box-shadow: 0 4px 20px rgba(30, 95, 194, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
    box-shadow: 0 6px 28px rgba(30, 95, 194, 0.45);
    transform: translateY(-2px);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(8px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.05rem;
}

/* ---- Navbar ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    padding: 10px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--white);
    transition: var(--transition);
}

.navbar.scrolled .nav-logo {
    color: var(--blue-800);
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: var(--transition);
}

.navbar.scrolled .logo-img {
    filter: none;
}

.footer .logo-img {
    filter: brightness(0) invert(1);
}

.logo-accent {
    color: var(--blue-300);
}

.navbar.scrolled .logo-accent {
    color: var(--blue-400);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu a {
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    transition: var(--transition);
}

.navbar.scrolled .nav-menu a {
    color: var(--gray-600);
}

.nav-menu a:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.navbar.scrolled .nav-menu a:hover {
    color: var(--blue-600);
    background: var(--blue-50);
}

.nav-cta {
    background: linear-gradient(135deg, var(--blue-500), var(--blue-400)) !important;
    color: var(--white) !important;
    padding: 10px 24px !important;
    box-shadow: 0 2px 12px rgba(30, 95, 194, 0.3);
}

.nav-cta:hover {
    box-shadow: 0 4px 18px rgba(30, 95, 194, 0.45) !important;
    transform: translateY(-1px);
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500)) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2.5px;
    background: var(--white);
    border-radius: 4px;
    transition: var(--transition);
}

.navbar.scrolled .nav-toggle span {
    background: var(--gray-700);
}

/* ---- Hero Section ---- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(160deg, var(--blue-900) 0%, var(--blue-700) 40%, var(--blue-500) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -5%;
    left: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(ellipse, rgba(96, 165, 250, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 120px 24px 80px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 22px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    color: var(--blue-200);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 28px;
    backdrop-filter: blur(8px);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.2vw, 1.35rem);
    color: var(--blue-200);
    margin-bottom: 40px;
    font-weight: 400;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--blue-300);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 45px;
    background: rgba(255, 255, 255, 0.15);
}

/* ---- Section Common ---- */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    background: var(--blue-50);
    color: var(--blue-600);
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ---- Tentang Kami ---- */
.tentang {
    background: var(--gray-50);
}

.tentang-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.tentang-card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.tentang-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: var(--blue-100);
}

.tentang-icon {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.tentang-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.tentang-card p {
    font-size: 0.95rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ---- Layanan ---- */
.layanan-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.layanan-card {
    position: relative;
    background: var(--white);
    padding: 40px 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    overflow: hidden;
}

.layanan-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--blue-200);
}

.layanan-card:hover .layanan-number {
    color: var(--blue-200);
}

.layanan-number {
    position: absolute;
    top: 16px;
    right: 24px;
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--gray-100);
    line-height: 1;
    transition: var(--transition);
}

.layanan-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.layanan-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.layanan-card p {
    font-size: 0.95rem;
    color: var(--gray-500);
    line-height: 1.7;
    max-width: 90%;
}

/* ---- Keunggulan ---- */
.keunggulan {
    background: linear-gradient(160deg, var(--blue-900) 0%, var(--blue-700) 100%);
}

.keunggulan .section-tag {
    background: rgba(255, 255, 255, 0.1);
    color: var(--blue-200);
}

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

.keunggulan .section-desc {
    color: var(--blue-300);
}

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

.keunggulan-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(8px);
}

.keunggulan-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
}

.keunggulan-icon {
    font-size: 2.5rem;
    margin-bottom: 18px;
}

.keunggulan-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.keunggulan-card p {
    font-size: 0.9rem;
    color: var(--blue-200);
    line-height: 1.7;
}

/* ---- Kontak ---- */
.kontak {
    background: var(--gray-50);
}

.kontak-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 50px;
}

.kontak-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

.kontak-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: var(--blue-100);
}

.kontak-icon {
    font-size: 2.2rem;
    margin-bottom: 14px;
}

.kontak-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.kontak-card p {
    font-size: 0.95rem;
    color: var(--gray-500);
}

.kontak-cta {
    text-align: center;
    padding: 48px 32px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
}

.kontak-cta p {
    color: var(--gray-500);
    margin-bottom: 24px;
    font-size: 1rem;
}

/* ---- Footer ---- */
.footer {
    background: var(--blue-900);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-tagline {
    margin-top: 16px;
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--gray-400);
}

.footer-links h4 {
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 18px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--gray-400);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--blue-300);
}

.footer-links li:not(:has(a)) {
    font-size: 0.9rem;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ---- Scroll Reveal Animation ---- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 100px 32px 40px;
        gap: 4px;
        transition: right 0.35s ease;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    }

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

    .nav-menu a {
        color: var(--gray-700) !important;
        padding: 12px 18px !important;
        font-size: 1rem;
        width: 100%;
    }

    .nav-menu a:hover {
        background: var(--blue-50) !important;
        color: var(--blue-600) !important;
    }

    .nav-cta {
        margin-top: 12px;
        text-align: center;
        justify-content: center;
    }

    .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(5px, -5px);
    }

    .hero-content {
        padding: 100px 20px 60px;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-divider {
        display: none;
    }

    .tentang-grid,
    .kontak-grid {
        grid-template-columns: 1fr;
    }

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

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

    .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .section {
        padding: 70px 0;
    }

    .btn {
        padding: 12px 28px;
    }

    .btn-lg {
        padding: 14px 32px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .stat-number {
        font-size: 1.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
}