/* ==================== FONTS ==================== */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Lato', sans-serif;
    position: relative;
    min-height: 100vh;
    transition: background-color 0.5s ease, color 0.5s ease;
}

.font-display {
    font-family: 'Orbitron', sans-serif;
}

/* ==================== LIGHT MODE ==================== */
.light-mode {
    --bg: #f9f9fb;
    --bg-alt: #f1f1f5;
    --surface: #ffffff;
    --surface-2: #f4f4f8;
    --border: #e4e4ec;
    --text: #0f0f14;
    --text-muted: #6b6b80;
    --accent: #4f46e5;
    /* indigo-600 */
    --accent-2: #6366f1;
    --accent-glow: rgba(79, 70, 229, 0.25);
    --accent-bg: rgba(79, 70, 229, 0.08);
    --badge-bg: rgba(79, 70, 229, 0.1);
    --badge-text: #4f46e5;
    --navbar-bg: rgba(249, 249, 251, 0.85);
    --navbar-shadow: 0 2px 24px rgba(0, 0, 0, 0.07);
    --step-bg: rgba(79, 70, 229, 0.1);
    --step-text: #4f46e5;
}

/* ==================== DARK MODE ==================== */
.dark-mode {
    --bg: #09090b;
    --bg-alt: #111113;
    --surface: #18181b;
    --surface-2: #1f1f23;
    --border: #27272a;
    --text: #fafafa;
    --text-muted: #8b8b9a;
    --accent: #a3e635;
    /* lime-400 */
    --accent-2: #bef264;
    --accent-glow: rgba(163, 230, 53, 0.2);
    --accent-bg: rgba(163, 230, 53, 0.07);
    --badge-bg: rgba(163, 230, 53, 0.1);
    --badge-text: #a3e635;
    --navbar-bg: rgba(9, 9, 11, 0.88);
    --navbar-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
    --step-bg: rgba(163, 230, 53, 0.1);
    --step-text: #a3e635;
}

body {
    background: var(--bg);
    color: var(--text);
}

/* ==================== SVG RADIAL BG ==================== */
.light-mode .rg-stop-1 {
    stop-color: #4f46e5;
}

.light-mode .rg-stop-2 {
    stop-color: #6366f1;
}

.light-mode .rg-stop-3 {
    stop-color: #a5b4fc;
}

.dark-mode .rg-stop-1 {
    stop-color: #a3e635;
}

.dark-mode .rg-stop-2 {
    stop-color: #65a30d;
}

.dark-mode .rg-stop-3 {
    stop-color: #4f46e5;
}

/* ==================== TYPOGRAPHY ==================== */
.accent-text {
    color: var(--accent);
}

.body-muted {
    color: var(--text-muted);
}

.section-label {
    display: inline-flex;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--badge-bg);
    padding: 0.3rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--accent-glow);
}

/* ==================== NAVBAR ==================== */
#navbar {
    background: var(--navbar-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: background 0.3s, box-shadow 0.3s, border-color 0.3s;
}

#navbar.scrolled {
    border-bottom-color: var(--border);
    box-shadow: var(--navbar-shadow);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 0.5rem 0.85rem;
    border-radius: 0.75rem;
    text-decoration: none;
    transition: color 0.25s, background 0.25s;
    position: relative;
}

.nav-link:hover {
    color: var(--text);
    background: var(--surface-2);
}

.nav-link.active {
    color: var(--accent);
    font-weight: 600;
    background: var(--accent-bg);
}

.logo-text {
    color: var(--text);
}

.logo-icon {
    background: var(--accent-bg);
    border: 1px solid var(--accent-glow);
}

.logo-tri {
    stroke: var(--accent);
}

.logo-circle {
    stroke: var(--accent);
    fill: var(--accent-bg);
}

/* ==================== THEME BUTTON ==================== */
.theme-btn {
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.theme-btn:hover {
    color: var(--accent);
}

/* ==================== HAMBURGER ==================== */
.hamburger-btn {
    background: var(--surface-2);
    border: 1px solid var(--border);
}

.ham-line {
    background: var(--text);
    transition: all 0.3s ease;
}

.menu-open .ham-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-open .ham-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-open .ham-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
    width: 1.25rem;
}

/* ==================== MOBILE MENU ==================== */
.mobile-menu {
    background: var(--bg);
    overflow: hidden;
    transition: opacity 0.4s cubic-bezier(.22, 1, .36, 1);
}

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

body.menu-open {
    overflow: hidden;
}

.mobile-nav-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease calc(var(--i) * 0.08s), transform 0.4s ease calc(var(--i) * 0.08s);
}

.mobile-menu.open .mobile-nav-item {
    opacity: 1;
    transform: translateY(0);
}

.mobile-nav-link {
    font-family: 'Syne', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s;
    line-height: 1.1;
}

.mobile-nav-link:hover {
    color: var(--accent);
}

/* ==================== BUTTONS ==================== */
.btn-primary {
    background: var(--accent);
    color: #fff;
    border: 2px solid var(--accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.dark-mode .btn-primary {
    color: #09090b;
}

.btn-primary:hover {
    box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--border);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ==================== BADGE ==================== */
.badge-pill {
    background: var(--badge-bg);
    border: 1px solid var(--accent-glow);
    color: var(--badge-text);
}

/* ==================== HERO ==================== */
.accent-dot {
    background: var(--accent);
}

.accent-line {
    background: linear-gradient(to bottom, var(--accent), transparent);
}

.divider-v {
    width: 1px;
    height: 2.5rem;
    background: var(--border);
}

.hero-main-card {
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
}

.dark-mode .hero-main-card {
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35);
}

.hero-glow {
    background: radial-gradient(circle at center, var(--accent-glow), transparent 70%);
}

.chart-bar {
    background: var(--surface-2);
    border: 1px solid var(--border);
    animation: bar-grow 0.8s ease forwards;
    transform-origin: bottom;
    transform: scaleY(0);
}

.accent-bar {
    background: var(--accent) !important;
    border-color: var(--accent) !important;
}

@keyframes bar-grow {
    from {
        transform: scaleY(0);
    }

    to {
        transform: scaleY(1);
    }
}

.float-badge {
    background: var(--surface);
    border: 1px solid var(--border);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

.animate-bounce-slow {
    animation: bounce-slow 2.5s ease-in-out infinite;
}

@keyframes bounce-slow {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-8px);
    }
}

/* ==================== SECTION ALT ==================== */
.section-alt {
    background: var(--bg-alt);
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadein {
    from {
        opacity: 0;
        transform: translateY(28px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadein {
    opacity: 0;
    animation: fadein 0.75s cubic-bezier(.22, 1, .36, 1) forwards;
}

.reveal-up {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.75s cubic-bezier(.22, 1, .36, 1), transform 0.75s cubic-bezier(.22, 1, .36, 1);
}

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

/* ==================== ABOUT ==================== */
.about-img-card {
    background: linear-gradient(135deg, var(--accent-glow), transparent);
    border: 1px solid var(--border);
}

.about-inner {
    background: var(--surface);
}

.stat-mini-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    transition: border-color 0.3s, transform 0.3s;
}

.stat-mini-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.about-quote-card {
    background: var(--accent-bg);
    border: 1px solid var(--accent-glow);
}

.accent-ring {
    border: 3px solid var(--accent);
    background: transparent;
}

/* ==================== CARDS ==================== */
.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    padding: 2rem;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    cursor: default;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px var(--accent-glow);
    border-color: var(--accent);
}

.card-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1rem;
    background: var(--accent-bg);
    border: 1px solid var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    transition: transform 0.3s;
}

.feature-card:hover .card-icon {
    transform: scale(1.1) rotate(-5deg);
}

/* ==================== STRATEGY ==================== */
.strategy-card {
    background: var(--surface);
    border: 1px solid var(--border);
}

.strategy-glow {
    background: radial-gradient(ellipse at 80% 50%, var(--accent-glow), transparent 60%);
}

.strategy-step {
    background: var(--surface-2);
    border: 1px solid var(--border);
    transition: border-color 0.3s, background 0.3s;
}

.strategy-step:hover {
    border-color: var(--accent);
    background: var(--accent-bg);
}

.step-num {
    background: var(--step-bg);
    color: var(--step-text);
    font-family: 'Syne', sans-serif;
}

/* ==================== MARQUEE TESTIMONIALS ==================== */
.marquee-mask {
    width: 100%;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
    mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

.marquee-track {
    display: flex;
    gap: 1.25rem;
    width: max-content;
    will-change: transform;
}

/* Row 1: slides right (negative → positive) */
@keyframes marquee-right {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

/* Row 2: slides left (positive → negative) */
@keyframes marquee-left {
    from {
        transform: translateX(-50%);
    }

    to {
        transform: translateX(0);
    }
}

.marquee-right {
    animation: marquee-right 45s linear infinite;
}

.marquee-left {
    animation: marquee-left 40s linear infinite;
}

/* Pause on hover */
.marquee-mask:hover .marquee-track {
    animation-play-state: paused;
}

.testi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    padding: 1.75rem;
    width: 340px;
    flex-shrink: 0;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    cursor: default;
}

.testi-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--accent-glow);
    border-color: var(--accent);
}

.testi-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent);
}

.star {
    color: var(--accent);
}

/* ==================== PORTFOLIO ==================== */
.portfolio-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.portfolio-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px var(--accent-glow);
    border-color: var(--accent);
}

.portfolio-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    background: var(--surface-2);
    transition: transform 0.4s;
}

.portfolio-card:hover .portfolio-img {
    transform: scale(1.05);
}

.portfolio-img-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--surface-2), var(--accent-bg));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    transition: transform 0.4s;
}

.portfolio-card:hover .portfolio-img-placeholder {
    transform: scale(1.05);
}

.chip {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    background: var(--accent-bg);
    color: var(--accent);
    border: 1px solid var(--accent-glow);
}

.filter-btn {
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.dark-mode .filter-btn.active, .dark-mode .filter-btn:hover {
    color: #09090b;
}

.portfolio-card.hidden {
    display: none;
}

/* ==================== CTA ==================== */
.cta-card {
    background: var(--surface);
    border: 1px solid var(--border);
}

.cta-glow {
    background: radial-gradient(ellipse at 50% 0%, var(--accent-glow), transparent 65%);
}

/* ==================== MODAL ==================== */
.modal-overlay {
    transition: opacity 0.3s ease;
}

.modal-overlay.open {
    opacity: 1 !important;
    pointer-events: all !important;
}

.modal-overlay.open .modal-card {
    transform: scale(1) !important;
}

.modal-bg {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    cursor: pointer;
}

.modal-card {
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.25);
}

.modal-close-btn {
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    transition: color 0.2s, background 0.2s;
}

.modal-close-btn:hover {
    background: var(--accent);
    color: white;
}

.dark-mode .modal-close-btn:hover {
    color: #09090b;
}

/* ==================== SOCIAL ==================== */
.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.25s;
}

.social-link:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    transform: translateY(-2px);
}

.dark-mode .social-link:hover {
    color: #09090b;
}

/* ==================== FOOTER ==================== */
.footer-section {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--accent);
}

.footer-divider {
    border-color: var(--border);
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 3px;
}

/* ==================== KEYPOINTS ==================== */
.keypoint {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: 0.4rem 0;
}

.keypoint-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
    margin-top: 0.45rem;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 640px) {
    .hero-visual {
        display: none;
    }

    .mobile-nav-link {
        font-size: 2rem;
    }
}