/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #0a0a0a;
    color: #f0f0f0;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* ===== COLORS ===== */
:root {
    --black: #0a0a0a;
    --dark: #111;
    --darker: #1a1a1a;
    --white: #f0f0f0;
    --orange: #f97316;
    --orange-dark: #ea580c;
    --orange-light: #fb923c;
    --gray: #888;
    --gray-light: #aaa;
    --border: #222;
    --card-bg: #141414;
    --card-dark-bg: #0d0d0d;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s ease;
}
.navbar.scrolled { background: rgba(10, 10, 10, 0.97); box-shadow: 0 4px 30px rgba(0,0,0,0.5); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.nav-logo {
    font-size: 1.5rem; font-weight: 800;
    background: linear-gradient(135deg, var(--orange), var(--orange-light));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}
.nav-menu { display: flex; align-items: center; gap: 0.25rem; }
.nav-link {
    padding: 0.5rem 1rem; border-radius: 8px;
    font-size: 0.9rem; font-weight: 500;
    color: var(--gray-light);
    transition: all 0.2s ease;
    position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--white); background: rgba(255,255,255,0.05); }
.nav-link.active { color: var(--orange); }

/* Nav Toggle */
.nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer;
    padding: 8px; border-radius: 8px;
}
.nav-toggle span {
    display: block; width: 24px; height: 2px;
    background: var(--white); border-radius: 2px;
    transition: all 0.3s ease;
}
.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); }

/* ===== FLOATING BUTTONS ===== */
.float-buttons {
    position: fixed; bottom: 2rem; right: 2rem;
    z-index: 999;
    display: flex; flex-direction: column; gap: 0.75rem;
}
.float-btn {
    width: 56px; height: 56px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: white; font-size: 1.5rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
    transition: all 0.3s ease;
    cursor: pointer;
}
.float-btn:hover { transform: scale(1.1); }
.whatsapp-btn { background: #25D366; }
.phone-btn { background: var(--orange); }
.float-btn svg { width: 28px; height: 28px; }

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a0a00 50%, #0a0a0a 100%);
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute; top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(249,115,22,0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(249,115,22,0.05) 0%, transparent 50%);
    animation: heroGlow 10s ease-in-out infinite alternate;
}
@keyframes heroGlow {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-5%, -5%); }
}
.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='0.02'%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");
    opacity: 0.5;
}
.hero-content { text-align: center; position: relative; z-index: 2; padding: 2rem 0; }
.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}
.hero-title br { display: none; }
@media (min-width: 768px) { .hero-title br { display: block; } }
.hero-text {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--gray-light);
    max-width: 650px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}
.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-scroll-indicator {
    position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
    color: var(--gray); opacity: 0.5;
    animation: bounce 2s infinite;
    z-index: 2;
}
.hero-scroll-indicator svg { width: 32px; height: 32px; }
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0.9rem 2rem; border-radius: 12px;
    font-size: 1rem; font-weight: 600;
    transition: all 0.3s ease; cursor: pointer;
    border: none; gap: 0.5rem;
}
.btn-primary {
    background: linear-gradient(135deg, var(--orange), var(--orange-dark));
    color: white; box-shadow: 0 4px 20px rgba(249,115,22,0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(249,115,22,0.4);
}
.btn-secondary {
    background: transparent; color: var(--white);
    border: 2px solid rgba(255,255,255,0.2);
}
.btn-secondary:hover {
    border-color: var(--orange); color: var(--orange);
    transform: translateY(-2px);
}

/* ===== SECTIONS ===== */
.section { padding: 6rem 0; }
.section-dark { background: var(--dark); }
.section-orange {
    background: linear-gradient(135deg, var(--orange-dark), var(--orange));
    color: white;
}
.section-orange .section-subtitle { color: rgba(255,255,255,0.8); }
.section-header {
    text-align: center; margin-bottom: 4rem; max-width: 700px; margin-left: auto; margin-right: auto;
}
.section-tag {
    display: inline-block; padding: 0.35rem 1rem; border-radius: 100px;
    font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
    background: rgba(249,115,22,0.15); color: var(--orange);
    margin-bottom: 1rem;
}
.section-orange .section-tag { background: rgba(255,255,255,0.2); color: white; }
.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}
.section-subtitle { color: var(--gray); font-size: 1.1rem; }

/* ===== GRID ===== */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== CARDS ===== */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}
.card:hover {
    transform: translateY(-4px);
    border-color: var(--orange);
    box-shadow: 0 8px 30px rgba(249,115,22,0.1);
}
.card-dark { background: var(--card-dark-bg); }
.card-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; }
.card p { color: var(--gray); font-size: 0.9rem; line-height: 1.6; }
.price-note { text-align: center; color: var(--gray); margin-top: 2rem; font-style: italic; }

/* ===== STEPS ===== */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.5rem; }
.step { text-align: center; padding: 2rem 1rem; }
.step-number {
    width: 60px; height: 60px; border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem; font-weight: 800;
}
.step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.step p { font-size: 0.9rem; opacity: 0.85; }

/* ===== ABOUT ===== */
.about-content { max-width: 800px; margin: 0 auto; }
.about-text p { margin-bottom: 1.25rem; font-size: 1.05rem; color: var(--gray-light); line-height: 1.8; }
.about-text p:last-child { margin-bottom: 0; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 3rem; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-form input, .contact-form textarea {
    width: 100%; padding: 1rem 1.25rem;
    background: var(--card-bg); border: 1px solid var(--border);
    border-radius: 12px; color: var(--white);
    font-family: inherit; font-size: 0.95rem;
    transition: border-color 0.2s ease;
    outline: none;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--orange); }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--gray); }
.contact-form textarea { resize: vertical; min-height: 120px; }
.btn-submit { width: 100%; padding: 1rem; font-size: 1.05rem; margin-top: 0.5rem; }
.form-note { font-size: 0.8rem; color: var(--gray); text-align: center; }

.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-card {
    background: var(--card-bg); border: 1px solid var(--border);
    border-radius: 16px; padding: 2rem;
}
.contact-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 1.5rem; }
.contact-item {
    display: flex; align-items: center; gap: 1rem;
    margin-bottom: 1rem; font-size: 0.95rem;
}
.contact-item:last-child { margin-bottom: 0; }
.contact-icon { font-size: 1.3rem; flex-shrink: 0; }
.contact-item a { color: var(--orange); transition: color 0.2s; }
.contact-item a:hover { color: var(--orange-light); }

/* ===== FOOTER ===== */
.footer { background: var(--dark); border-top: 1px solid var(--border); padding-top: 4rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; }
.footer-brand h3 {
    font-size: 1.3rem; font-weight: 800;
    background: linear-gradient(135deg, var(--orange), var(--orange-light));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
}
.footer-brand p { color: var(--gray); font-size: 0.9rem; line-height: 1.7; }
.footer-nav h4, .footer-legal h4 { font-size: 0.9rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--white); margin-bottom: 1rem; }
.footer-nav ul, .footer-legal ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-nav a, .footer-legal a { color: var(--gray); font-size: 0.9rem; transition: color 0.2s; }
.footer-nav a:hover, .footer-legal a:hover { color: var(--orange); }
.footer-bottom { border-top: 1px solid var(--border); padding: 1.5rem 0; text-align: center; }
.footer-bottom p { color: var(--gray); font-size: 0.85rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(3, 1fr); }
    .steps .step:nth-child(4),
    .steps .step:nth-child(5) { grid-column: span 1; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed; top: 70px; left: 0; right: 0;
        background: rgba(10,10,10,0.98);
        backdrop-filter: blur(16px);
        flex-direction: column; padding: 1.5rem;
        gap: 0.5rem;
        transform: translateY(-100%); opacity: 0;
        transition: all 0.3s ease;
        pointer-events: none;
        border-bottom: 1px solid var(--border);
    }
    .nav-menu.active { transform: translateY(0); opacity: 1; pointer-events: all; }
    .nav-toggle { display: flex; }
    .nav-link { width: 100%; text-align: center; padding: 0.75rem; font-size: 1rem; }

    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; gap: 0; }
    .step { padding: 1.5rem 1rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
    .step:last-child { border-bottom: none; }

    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .float-buttons { bottom: 1rem; right: 1rem; }
    .float-btn { width: 48px; height: 48px; }
    .float-btn svg { width: 22px; height: 22px; }

    .footer-grid { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
    .footer-nav ul, .footer-legal ul { align-items: center; }

    .hero-title br { display: none; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; max-width: 300px; }
}

@media (max-width: 480px) {
    .section { padding: 4rem 0; }
    .hero-title { font-size: 2rem; }
    .card { padding: 1.5rem 1rem; }
}

/* ===== SUCCESS MESSAGE ===== */
.form-success {
    text-align: center; padding: 3rem 2rem;
    background: var(--card-bg); border: 1px solid var(--border);
    border-radius: 16px;
}
.form-success .success-icon {
    font-size: 3rem; margin-bottom: 1rem;
}
.form-success h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.75rem; color: var(--orange); }
.form-success p { color: var(--gray); }
