/* ============================================
   RODRIGO HAILER — PORTFOLIO
   Dark theme · Purple & Orange accents
   ============================================ */

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

:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;

    --text-primary: #f0eef6;
    --text-secondary: #9893a7;
    --text-muted: #5c5773;

    --purple-400: #a78bfa;
    --purple-500: #8b5cf6;
    --purple-600: #7c3aed;
    --purple-700: #6d28d9;
    --purple-glow: rgba(139, 92, 246, 0.15);

    --orange-400: #fb923c;
    --orange-500: #f97316;
    --orange-600: #ea580c;
    --orange-glow: rgba(249, 115, 22, 0.15);

    --gradient-main: linear-gradient(135deg, var(--purple-500), var(--orange-500));
    --gradient-subtle: linear-gradient(135deg, var(--purple-600), var(--orange-600));
    --gradient-text: linear-gradient(135deg, var(--purple-400), var(--orange-400));

    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);

    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-padding: clamp(80px, 12vw, 160px);
    --container-max: 1200px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { border: none; background: none; cursor: pointer; color: inherit; font-family: inherit; }

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(20px, 5vw, 48px);
}

/* --- Cursor Glow --- */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
    opacity: 0;
}

body:hover .cursor-glow { opacity: 1; }

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.4s var(--ease-out);
}

.nav.scrolled {
    padding: 12px 0;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(20px, 5vw, 48px);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.dot {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links { display: flex; align-items: center; gap: 32px; }

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.3s;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-main);
    transition: width 0.3s var(--ease-out);
}

.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 100%; }

.cta-link {
    padding: 8px 20px;
    border-radius: 100px;
    background: var(--gradient-main);
    color: #fff !important;
    font-weight: 600;
}

.cta-link::after { display: none; }
.cta-link:hover { opacity: 0.9; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s;
    border-radius: 2px;
}

.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); }

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(30px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s;
}

.mobile-menu.active { opacity: 1; pointer-events: all; }

.mobile-link {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.3s;
}

.mobile-link:hover { color: var(--text-primary); }

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 clamp(20px, 5vw, 48px);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 100px;
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.2);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--purple-400);
    margin-bottom: 32px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.04em;
    margin-bottom: 16px;
}

.hero-title .line { display: block; }

.line-accent {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero-description {
    font-size: clamp(1rem, 1.8vw, 1.125rem);
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-main);
    color: #fff;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.4);
}

.btn-ghost {
    border: 1px solid var(--border-hover);
    color: var(--text-primary);
}

.btn-ghost:hover {
    border-color: var(--purple-500);
    background: rgba(139, 92, 246, 0.06);
    transform: translateY(-2px);
}

.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--gradient-main);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --- Stats Section --- */
.stats-section {
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-card {
    text-align: center;
    padding: 24px;
    border-radius: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all 0.4s var(--ease-out);
}

.stat-card:hover {
    border-color: var(--purple-500);
    transform: translateY(-4px);
    box-shadow: 0 8px 40px var(--purple-glow);
}

.stat-number {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* --- Section Common --- */
.section-header { margin-bottom: 64px; }

.section-tag {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--purple-400);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

/* --- About Section --- */
.about-section {
    padding: var(--section-padding) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: start;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1rem;
    line-height: 1.8;
}

.about-text strong { color: var(--text-primary); font-weight: 600; }

.about-card {
    position: sticky;
    top: 120px;
}

.about-card-inner {
    padding: 32px;
    border-radius: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: border-color 0.3s;
}

.about-card-inner:hover { border-color: var(--purple-500); }

.about-card-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.about-card-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.about-card-company {
    font-size: 0.875rem;
    color: var(--purple-400);
    font-weight: 500;
}

.about-card-divider {
    height: 1px;
    background: var(--border-color);
    margin: 20px 0;
}

/* --- Projects Section --- */
.projects-section {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.project-card {
    margin-bottom: 48px;
}

.project-card:last-child { margin-bottom: 0; }

.project-card-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    padding: 48px;
    border-radius: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all 0.5s var(--ease-out);
}

.project-card-inner:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.project-card-inner.reverse { direction: rtl; }
.project-card-inner.reverse > * { direction: ltr; }

.project-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.project-number {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.project-type {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: 4px 12px;
    border-radius: 100px;
    border: 1px solid var(--border-color);
}

.project-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.925rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tag {
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    background: rgba(139, 92, 246, 0.08);
    color: var(--purple-400);
    border: 1px solid rgba(139, 92, 246, 0.15);
}

.project-result {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: #22c55e;
    font-weight: 500;
}

/* Project Mockups */
.project-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-mockup { width: 100%; }

.mockup-browser {
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
}

.browser-dots {
    display: flex;
    gap: 6px;
    padding: 12px 16px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--border-color);
}

.browser-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
}

.browser-content { padding: 20px; min-height: 200px; }

.mock-hero-block {
    height: 80px;
    border-radius: 8px;
    background: var(--gradient-main);
    opacity: 0.3;
    margin-bottom: 16px;
}

.mock-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }

.mock-card {
    height: 60px;
    border-radius: 8px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.15);
}

/* Mockup 2 - marketplace */
.mockup-2 .browser-content { display: flex; gap: 12px; padding: 16px; }

.mock-sidebar {
    width: 60px;
    border-radius: 8px;
    background: rgba(249, 115, 22, 0.08);
    border: 1px solid rgba(249, 115, 22, 0.15);
}

.mock-main {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.mock-product {
    height: 80px;
    border-radius: 8px;
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.1);
}

/* Mockup 3 - phone */
.mockup-phone {
    width: 180px;
    margin: 0 auto;
    border-radius: 24px;
    background: var(--bg-primary);
    border: 2px solid var(--border-hover);
    padding: 12px;
    position: relative;
}

.phone-notch {
    width: 80px;
    height: 6px;
    border-radius: 10px;
    background: rgba(255,255,255,0.1);
    margin: 0 auto 16px;
}

.phone-content { padding: 8px; }

.mock-phone-hero {
    height: 100px;
    border-radius: 8px;
    background: var(--gradient-main);
    opacity: 0.3;
    margin-bottom: 12px;
}

.mock-phone-btn {
    height: 28px;
    width: 100%;
    border-radius: 100px;
    background: var(--gradient-main);
    opacity: 0.5;
    margin-bottom: 16px;
}

.mock-phone-text {
    height: 8px;
    border-radius: 4px;
    background: rgba(255,255,255,0.08);
    margin-bottom: 8px;
}

.mock-phone-text.short { width: 60%; }

/* Mockup 4 - brand cards */
.mockup-cards-stack {
    position: relative;
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-card {
    position: absolute;
    width: 160px;
    height: 200px;
    border-radius: 16px;
    transition: transform 0.5s var(--ease-out);
}

.bc-1 {
    background: linear-gradient(135deg, var(--purple-600), var(--purple-700));
    transform: rotate(-8deg) translateX(-30px);
    z-index: 3;
}

.bc-2 {
    background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
    transform: rotate(4deg) translateX(20px);
    z-index: 2;
}

.bc-3 {
    background: linear-gradient(135deg, #1e1b4b, #312e81);
    transform: rotate(12deg) translateX(60px);
    z-index: 1;
}

.project-card-inner:hover .bc-1 { transform: rotate(-12deg) translateX(-40px) translateY(-10px); }
.project-card-inner:hover .bc-2 { transform: rotate(0deg) translateX(10px); }
.project-card-inner:hover .bc-3 { transform: rotate(16deg) translateX(70px) translateY(10px); }

/* --- Skills Section --- */
.skills-section {
    padding: var(--section-padding) 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.skill-category {
    padding: 32px;
    border-radius: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all 0.4s var(--ease-out);
}

.skill-category:hover {
    border-color: var(--purple-500);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--purple-glow);
}

.skill-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(139, 92, 246, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--purple-400);
}

.skill-cat-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.skill-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pill {
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.pill:hover {
    border-color: var(--purple-500);
    color: var(--purple-400);
    background: rgba(139, 92, 246, 0.06);
}

/* --- Contact Section --- */
.contact-section {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
    overflow: hidden;
}

.contact-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.contact-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    line-height: 1.1;
}

.contact-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 32px;
}

.contact-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Orbit decoration */
.contact-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
}

.orbit-ring {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    position: relative;
    animation: spin 20s linear infinite;
}

.orbit-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
}

.od-1 {
    background: var(--purple-500);
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 20px var(--purple-glow);
}

.od-2 {
    background: var(--orange-500);
    bottom: 20%;
    right: -8px;
    box-shadow: 0 0 20px var(--orange-glow);
}

.od-3 {
    background: var(--purple-400);
    bottom: 10%;
    left: 10%;
    width: 10px;
    height: 10px;
    box-shadow: 0 0 15px var(--purple-glow);
}

@keyframes spin { to { transform: rotate(360deg); } }

/* --- Footer --- */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--border-color);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- Reveal Animations --- */
.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);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-card { position: static; }
    .project-card-inner { grid-template-columns: 1fr; gap: 32px; }
    .project-card-inner.reverse { direction: ltr; }
    .contact-section .container { grid-template-columns: 1fr; }
    .contact-decoration { display: none; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .stat-card { padding: 16px; }
    .skills-grid { grid-template-columns: 1fr; }
    .project-card-inner { padding: 24px; }
    .hero-scroll-indicator { display: none; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: clamp(2.5rem, 12vw, 4rem); }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; justify-content: center; }
}