/* ── RESET & VARIABLES ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #1A56DB;
    --primary-dark: #1340A8;
    --secondary: #0E9F6E;
    --secondary-dark: #087F58;
    --accent: #F06318;
    --dark: #1F2A37;
    --darker: #111827;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --white: #FFFFFF;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--dark);
    line-height: 1.6;
    background: var(--white);
}

/* ── NAV ── */
nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    transition: box-shadow 0.3s;
}
nav.scrolled { box-shadow: var(--shadow-md); }
.nav-inner {
    max-width: 1200px; margin: 0 auto;
    padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
}
.logo {
    font-size: 1.5rem; font-weight: 800; color: var(--primary);
    text-decoration: none; letter-spacing: -0.5px;
}
.logo span { color: var(--secondary); }
.logo-inversed { font-weight: 800; color: var(--secondary); letter-spacing: -0.5px; }
.logo-inversed span { color: var(--primary); }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
    text-decoration: none; color: var(--gray-600);
    font-size: 0.9rem; font-weight: 500;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--primary); }
.nav-cta {
    background: var(--primary) !important; color: var(--white) !important;
    padding: 10px 24px !important; border-radius: 8px;
    font-weight: 600 !important; transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--primary-dark) !important; }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger svg { width: 24px; height: 24px; color: var(--dark); }

/* ── HERO ── */
.hero {
    padding: 160px 24px 100px;
    background: linear-gradient(135deg, #EBF5FF 0%, #F0FDF4 50%, var(--gray-50) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; top: -50%; right: -30%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(26,86,219,0.08) 0%, transparent 70%);
    border-radius: 50%;
}
.hero::after {
    content: ''; position: absolute; bottom: -40%; left: -20%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(14,159,110,0.06) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-inner { max-width: 800px; margin: 0 auto; position: relative; z-index: 1; }
.hero-badge {
    display: inline-block;
    background: rgba(26,86,219,0.1); color: var(--primary);
    padding: 6px 16px; border-radius: 20px;
    font-size: 0.85rem; font-weight: 600;
    margin-bottom: 24px;
}
.hero h1 {
    font-size: 3.5rem; font-weight: 800; line-height: 1.1;
    color: var(--darker);
    margin-bottom: 20px; letter-spacing: -1px;
}
.hero h1 .highlight-blue { color: var(--primary); }
.hero h1 .highlight-green { color: var(--secondary); }
.hero p {
    font-size: 1.2rem; color: var(--gray-600);
    max-width: 600px; margin: 0 auto 40px; line-height: 1.7;
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── BUTTONS ── */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px; border-radius: 10px;
    font-size: 1rem; font-weight: 600;
    text-decoration: none;
    transition: all 0.3s; cursor: pointer; border: none;
}
.btn-primary { background: var(--primary); color: var(--white); box-shadow: var(--shadow-md); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline { background: var(--white); color: var(--dark); border: 2px solid var(--gray-200); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn-white { background: var(--white); color: var(--dark); }
.btn-white:hover { background: var(--gray-100); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.3); }
.btn-ghost:hover { border-color: var(--white); transform: translateY(-2px); }

/* ── STATS ── */
.stats {
    padding: 60px 24px;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
}
.stats-inner {
    max-width: 1000px; margin: 0 auto;
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
    text-align: center;
}
.stat-number { font-size: 2.5rem; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 0.9rem; color: var(--gray-500); margin-top: 4px; }

/* ── SECTIONS ── */
.section-header {
    text-align: center; max-width: 600px; margin: 0 auto 60px;
}
.section-label {
    font-size: 0.85rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 2px;
    color: var(--primary); margin-bottom: 12px;
}
.section-title {
    font-size: 2.2rem; font-weight: 800; color: var(--darker);
    margin-bottom: 16px; letter-spacing: -0.5px;
}
.section-subtitle { font-size: 1.05rem; color: var(--gray-500); line-height: 1.7; }

/* ── SOLUTIONS ── */
.solutions {
    padding: 100px 24px;
    background: var(--gray-50);
}
.solutions-grid {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
}
.solution-card {
    background: var(--white);
    border-radius: 20px;
    padding: 48px 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}
.solution-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}
.solution-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 4px; border-radius: 20px 20px 0 0;
}
.card-komkom-app::before { background: linear-gradient(90deg, var(--primary), #3B82F6); }
.card-electronics::before { background: linear-gradient(90deg, var(--secondary), #34D399); }

.card-illustration {
    width: 100%; aspect-ratio: 400 / 220; border-radius: 12px;
    margin-bottom: 28px; overflow: hidden;
}
.card-komkom-app .card-illustration { background: rgba(26,86,219,0.03); }
.card-electronics .card-illustration { background: rgba(14,159,110,0.03); }
.card-illustration svg { width: 100%; height: 100%; display: block; }

.solution-card h3 {
    font-size: 1.6rem; font-weight: 700; margin-bottom: 8px;
    color: var(--darker);
}
.card-tagline {
    font-size: 0.95rem; font-weight: 500; margin-bottom: 20px;
}
.card-komkom-app .card-tagline { color: var(--primary); }
.card-electronics .card-tagline { color: var(--secondary); }

.solution-card p {
    color: var(--gray-600); font-size: 0.95rem; line-height: 1.7;
    margin-bottom: 24px;
}
.feature-list { list-style: none; margin-bottom: 32px; }
.feature-list li {
    padding: 8px 0; font-size: 0.9rem; color: var(--gray-600);
    display: flex; align-items: flex-start; gap: 10px;
}
.feature-list .check { font-weight: 700; flex-shrink: 0; margin-top: 2px; }
.card-komkom-app .check { color: var(--primary); }
.card-electronics .check { color: var(--secondary); }

.card-link {
    display: inline-flex; align-items: center; gap: 8px;
    font-weight: 600; font-size: 0.95rem;
    text-decoration: none; transition: gap 0.2s;
}
.card-link:hover { gap: 12px; }
.card-komkom-app .card-link { color: var(--primary); }
.card-electronics .card-link { color: var(--secondary); }

/* ── ABOUT ── */
.about {
    padding: 100px 24px;
    background: var(--white);
}
.about-inner {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
    align-items: center;
}
.about-visual {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 24px;
    padding: 60px 40px;
    color: var(--white);
    text-align: center;
}
.about-visual .big-text {
    font-size: 4rem; font-weight: 800; line-height: 1;
    margin-bottom: 16px;
}
.about-visual .medium-text {
    font-size: 2.5rem; font-weight: 700; line-height: 1.1;
    margin-bottom: 16px;
}
.about-visual .sub-text { font-size: 1.1rem; opacity: 0.9; }
.about-content h2 {
    font-size: 2rem; font-weight: 800; color: var(--darker);
    margin-bottom: 20px;
}
.about-content p {
    font-size: 1rem; color: var(--gray-600); line-height: 1.8;
    margin-bottom: 16px;
}
.values-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
    margin-top: 32px;
}
.value-item {
    padding: 16px; border-radius: 12px;
    background: var(--gray-50); border: 1px solid var(--gray-100);
}
.value-item strong {
    display: block; font-size: 0.9rem; color: var(--darker);
    margin-bottom: 4px;
}
.value-item span { font-size: 0.8rem; color: var(--gray-500); }

/* ── CONTACT FORM ── */
.contact-section {
    padding: 100px 24px;
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.contact-section::before {
    content: ''; position: absolute; top: -100px; right: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(26,86,219,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.contact-inner {
    max-width: 900px; margin: 0 auto; position: relative; z-index: 1;
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
    align-items: center;
}
.contact-text h2 {
    font-size: 2.2rem; font-weight: 800; margin-bottom: 16px;
}
.contact-text p {
    font-size: 1.05rem; opacity: 0.8; line-height: 1.7; margin-bottom: 24px;
}
.contact-info {
    list-style: none; display: flex; flex-direction: column; gap: 12px;
}
.contact-info li {
    display: flex; align-items: center; gap: 12px;
    font-size: 0.95rem; opacity: 0.8;
}
.contact-info li svg { flex-shrink: 0; opacity: 0.6; }

.contact-form {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 40px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: 0.85rem; font-weight: 500;
    margin-bottom: 6px; opacity: 0.8;
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.08);
    color: var(--white);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s, background 0.2s;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255,255,255,0.35);
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255,255,255,0.12);
}
.form-group textarea {
    resize: vertical;
    min-height: 120px;
}
.form-submit {
    width: 100%;
    padding: 14px 32px;
    border-radius: 10px;
    border: none;
    background: var(--primary);
    color: var(--white);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.form-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}
.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}
.form-status {
    margin-top: 16px;
    font-size: 0.9rem;
    text-align: center;
    min-height: 24px;
}
.form-status.success { color: #34D399; }
.form-status.error { color: #F87171; }

/* ── FOOTER ── */
footer {
    padding: 60px 24px 30px;
    background: var(--darker);
    color: var(--gray-400);
}
.footer-inner {
    max-width: 1100px; margin: 0 auto;
}
.footer-top {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo { font-size: 1.3rem; }
.footer-brand p { font-size: 0.85rem; margin-top: 12px; line-height: 1.7; color: var(--gray-400); }
.footer-col h4 {
    color: var(--white); font-size: 0.85rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 1px;
    margin-bottom: 16px;
}
.footer-col a {
    display: block; color: var(--gray-400);
    text-decoration: none; font-size: 0.9rem;
    padding: 4px 0; transition: color 0.2s;
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 30px; font-size: 0.8rem;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-links.open {
        display: flex; flex-direction: column;
        position: absolute; top: 72px; left: 0; right: 0;
        background: var(--white); padding: 24px;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
    }
    .hamburger { display: block; }
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1rem; }
    .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .solutions-grid { grid-template-columns: 1fr; }
    .about-inner { grid-template-columns: 1fr; gap: 40px; }
    .about-visual { order: -1; }
    .contact-inner { grid-template-columns: 1fr; gap: 40px; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    .values-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero { padding: 130px 16px 60px; }
    .hero h1 { font-size: 1.8rem; }
    .stats-inner { grid-template-columns: 1fr 1fr; }
    .stat-number { font-size: 1.8rem; }
    .solution-card { padding: 32px 24px; }
    .contact-form { padding: 24px; }
    .footer-top { grid-template-columns: 1fr; }
}