/* =============================================
   FOGLESTING — Software Landing Page
   Brand: Foglar (#e85b2e, #2e6547, #ffdfb8, #262626)
   Fonts: Boucherie Block (local) + DM Sans (Google)
   ============================================= */

/* --- Boucherie Block (local font) --- */
@font-face {
    font-family: 'Boucherie Block';
    src: url('assets/BoucherieBlock.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Boucherie Block';
    src: url('assets/BoucherieBlock-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

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

:root {
    --fire: #e85b2e;
    --fire-light: #f4845f;
    --fire-dark: #c44a1f;
    --forest: #2e6547;
    --forest-light: #3d8760;
    --forest-dark: #1e4430;
    --cream: #ffdfb8;
    --cream-light: #fff4e6;
    --dark: #262626;
    --dark-mid: #1a1a1a;
    --dark-deep: #111111;
    --white: #fafaf9;

    --font-display: 'Boucherie Block', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    --nav-height: 72px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.15);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.25);
    --shadow-glow-fire: 0 0 40px rgba(232,91,46,0.25);
    --shadow-glow-green: 0 0 40px rgba(46,101,71,0.2);
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-body);
    color: var(--cream);
    background: var(--dark-deep);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Animations --- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(50px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-14px); }
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(232,91,46,0.5); }
    50%      { box-shadow: 0 0 0 24px rgba(232,91,46,0); }
}

@keyframes dnaRotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes shimmer {
    0%   { background-position: -300% center; }
    100% { background-position: 300% center; }
}

@keyframes countUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.4; }
    50%      { opacity: 0.8; }
}

.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}
.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: all var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(17,17,17,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255,223,184,0.06);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo img {
    height: 36px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: rgba(255,223,184,0.7);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    position: relative;
    transition: color var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--fire);
    transition: width var(--transition);
}

.nav-links a:hover { color: var(--cream); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
    background: var(--fire) !important;
    color: var(--white) !important;
    padding: 10px 24px !important;
    border-radius: var(--radius-sm) !important;
    font-weight: 600 !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
    background: var(--fire-dark) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(232,91,46,0.35);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}
.nav-toggle span {
    width: 24px; height: 2px;
    background: var(--cream);
    transition: all var(--transition);
    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); }

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--dark-deep);
}

.hero-bg {
    position: absolute;
    inset: 0;
}

.hero-bg img {
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0.3;
    filter: brightness(0.4) saturate(0.8);
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 40%, rgba(232,91,46,0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(46,101,71,0.1) 0%, transparent 50%),
        linear-gradient(180deg, rgba(17,17,17,0.3) 0%, rgba(17,17,17,0.1) 40%, rgba(17,17,17,0.8) 80%, rgba(17,17,17,1) 100%);
}

/* DNA/genetic helix decorative */
.hero-dna {
    position: absolute;
    top: 50%; left: 50%;
    width: 600px; height: 600px;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(232,91,46,0.06);
    border-radius: 50%;
    animation: dnaRotate 30s linear infinite;
    pointer-events: none;
}
.hero-dna::before {
    content: '';
    position: absolute;
    inset: 60px;
    border: 1px solid rgba(46,101,71,0.08);
    border-radius: 50%;
}
.hero-dna::after {
    content: '';
    position: absolute;
    inset: 120px;
    border: 1px dashed rgba(232,91,46,0.05);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
}

.hero-isotipo {
    width: 72px; height: 72px;
    margin: 0 auto 28px;
    animation: fadeUp 0.8s ease both, float 5s ease-in-out infinite 1s;
}
.hero-isotipo img {
    width: 100%; height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 4px 20px rgba(232,91,46,0.3));
}

.hero-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--fire);
    background: rgba(232,91,46,0.12);
    border: 1px solid rgba(232,91,46,0.2);
    padding: 6px 20px;
    border-radius: 100px;
    margin-bottom: 24px;
    animation: fadeUp 0.8s ease 0.1s both;
}

.hero h1 {
    font-size: clamp(3rem, 7vw, 5.5rem);
    color: var(--cream);
    margin-bottom: 8px;
    animation: fadeUp 0.8s ease 0.2s both;
    text-shadow: 0 4px 40px rgba(0,0,0,0.3);
    letter-spacing: 0.02em;
}

.hero h1 .fire-text {
    color: var(--fire);
    position: relative;
}

.hero .hero-sub {
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    color: rgba(255,223,184,0.6);
    margin-bottom: 12px;
    animation: fadeUp 0.8s ease 0.35s both;
    font-weight: 400;
}

.hero .hero-tagline {
    font-size: 0.95rem;
    color: rgba(255,223,184,0.4);
    margin-bottom: 44px;
    animation: fadeUp 0.8s ease 0.45s both;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeUp 0.8s ease 0.55s both;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: var(--fire);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(232,91,46,0.35);
}
.btn-primary:hover {
    background: var(--fire-dark);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(232,91,46,0.45);
}

.btn-outline {
    background: transparent;
    color: var(--cream);
    border: 1.5px solid rgba(255,223,184,0.25);
}
.btn-outline:hover {
    border-color: var(--cream);
    background: rgba(255,223,184,0.06);
    transform: translateY(-3px);
}

.btn-download-big {
    background: linear-gradient(135deg, var(--fire), var(--fire-light));
    color: var(--white);
    padding: 20px 56px;
    font-size: 1.2rem;
    font-family: var(--font-display);
    letter-spacing: 0.04em;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 35px rgba(232,91,46,0.4);
    animation: pulse 3s ease-in-out infinite;
}
.btn-download-big:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 16px 50px rgba(232,91,46,0.55);
}

.btn svg { width: 20px; height: 20px; }

/* --- Section base --- */
.section { padding: 120px 0; }

.section-header {
    text-align: center;
    margin-bottom: 72px;
}

.section-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--fire);
    background: rgba(232,91,46,0.1);
    border: 1px solid rgba(232,91,46,0.15);
    padding: 6px 18px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2.2rem, 4.5vw, 3.5rem);
    color: var(--cream);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.1rem;
    color: rgba(255,223,184,0.5);
    max-width: 620px;
    margin: 0 auto;
}

/* --- Stats bar --- */
.stats-bar {
    background: var(--dark);
    border-top: 1px solid rgba(255,223,184,0.04);
    border-bottom: 1px solid rgba(255,223,184,0.04);
    padding: 48px 0;
}

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

.stat-item .stat-number {
    font-family: var(--font-display);
    font-size: 2.8rem;
    color: var(--fire);
    display: block;
    line-height: 1;
    margin-bottom: 6px;
}

.stat-item .stat-desc {
    font-size: 0.85rem;
    color: rgba(255,223,184,0.45);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* --- Algorithm / Genetic section --- */
.algorithm {
    background: var(--dark-deep);
    position: relative;
    overflow: hidden;
}

.algorithm::before {
    content: '';
    position: absolute;
    top: -200px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(232,91,46,0.06) 0%, transparent 60%);
    border-radius: 50%;
    animation: glowPulse 6s ease-in-out infinite;
}

.algorithm::after {
    content: '';
    position: absolute;
    bottom: -200px; left: -200px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(46,101,71,0.05) 0%, transparent 60%);
    border-radius: 50%;
    animation: glowPulse 8s ease-in-out infinite 2s;
}

.algo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.algo-visual {
    position: relative;
}

.algo-visual img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg), var(--shadow-glow-fire);
    transition: transform var(--transition);
}

.algo-visual:hover img { transform: scale(1.02); }

.algo-visual::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: linear-gradient(135deg, var(--fire), var(--forest), var(--fire));
    border-radius: calc(var(--radius-lg) + 3px);
    z-index: -1;
    opacity: 0.4;
}

.algo-content h2 {
    font-size: 2.6rem;
    color: var(--cream);
    margin-bottom: 20px;
}

.algo-content h2 .gradient-text {
    background: linear-gradient(135deg, var(--fire), var(--fire-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.algo-content .algo-tagline {
    font-size: 1.15rem;
    color: var(--fire-light);
    margin-bottom: 20px;
    font-weight: 600;
}

.algo-content p {
    font-size: 1rem;
    color: rgba(255,223,184,0.55);
    margin-bottom: 16px;
    line-height: 1.8;
}

/* Algorithm pipeline steps */
.algo-pipeline {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pipe-step {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,223,184,0.06);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.pipe-step:hover {
    background: rgba(232,91,46,0.06);
    border-color: rgba(232,91,46,0.2);
    transform: translateX(6px);
}

.pipe-step .pipe-icon {
    width: 36px; height: 36px;
    background: rgba(232,91,46,0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
}

.pipe-step .pipe-text {
    font-size: 0.9rem;
    color: var(--cream);
    font-weight: 500;
}

.pipe-step .pipe-text span {
    color: rgba(255,223,184,0.4);
    font-weight: 400;
    font-size: 0.82rem;
    display: block;
    margin-top: 2px;
}

/* --- Features --- */
.features {
    background: var(--dark);
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,223,184,0.06);
    padding: 40px 28px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--fire), var(--forest));
    transform: scaleX(0);
    transition: transform var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(232,91,46,0.2);
    box-shadow: var(--shadow-lg), var(--shadow-glow-fire);
}

.feature-card:hover::before { transform: scaleX(1); }

.feature-icon {
    width: 60px; height: 60px;
    margin: 0 auto 20px;
    background: rgba(232,91,46,0.08);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, var(--fire), var(--forest));
    transform: scale(1.1);
}

.feature-icon svg {
    width: 26px; height: 26px;
    color: var(--fire);
    transition: color var(--transition);
}

.feature-card:hover .feature-icon svg { color: var(--white); }

.feature-card h3 {
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--cream);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.88rem;
    color: rgba(255,223,184,0.45);
    line-height: 1.65;
}

/* --- How it works --- */
.how-it-works {
    background: var(--dark-deep);
    position: relative;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    position: relative;
}

.steps-container::before {
    content: '';
    position: absolute;
    top: 90px;
    left: calc(100% / 6);
    right: calc(100% / 6);
    height: 2px;
    background: linear-gradient(90deg, var(--fire), var(--forest), var(--fire));
    opacity: 0.2;
}

.step-card { text-align: center; position: relative; }

.step-number {
    position: relative;
    width: 40px; height: 40px;
    margin: 0 auto 16px;
    background: var(--fire);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 700;
    z-index: 2;
    box-shadow: 0 4px 20px rgba(232,91,46,0.35);
}

.step-image {
    width: 160px; height: 160px;
    margin: 0 auto 20px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--dark);
    border: 1px solid rgba(255,223,184,0.06);
    transition: all var(--transition);
}
.step-image img { width: 100%; height: 100%; object-fit: cover; }

.step-card:hover .step-image {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: rgba(232,91,46,0.2);
}

.step-card h3 {
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--cream);
    margin-bottom: 8px;
}

.step-card p {
    font-size: 0.88rem;
    color: rgba(255,223,184,0.45);
    max-width: 280px;
    margin: 0 auto;
}

/* --- Download CTA --- */
.download-cta {
    background: linear-gradient(135deg, var(--forest-dark) 0%, var(--forest) 40%, var(--dark) 100%);
    text-align: center;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.download-cta::before {
    content: '';
    position: absolute;
    top: -30%; right: -15%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(232,91,46,0.15) 0%, transparent 55%);
    border-radius: 50%;
}

.download-content { position: relative; z-index: 1; }

.download-cta h2 {
    font-size: clamp(2.2rem, 4.5vw, 3.5rem);
    color: var(--cream);
    margin-bottom: 16px;
}

.download-cta .dl-desc {
    font-size: 1.15rem;
    color: rgba(255,223,184,0.6);
    margin-bottom: 44px;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

.download-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.download-info span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    color: rgba(255,223,184,0.45);
}

.download-info svg { width: 16px; height: 16px; opacity: 0.6; }

/* --- Footer --- */
.footer {
    background: var(--dark-deep);
    border-top: 1px solid rgba(255,223,184,0.04);
    color: rgba(255,223,184,0.35);
    padding: 48px 0 24px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-brand img { height: 28px; width: auto; opacity: 0.5; }

.footer-brand span { font-size: 0.85rem; }

.footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.footer-links a {
    font-size: 0.85rem;
    transition: color var(--transition);
}

.footer-links a:hover { color: var(--fire-light); }

/* --- Responsive --- */
@media (max-width: 1024px) {
    .algo-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}

@media (max-width: 768px) {
    .section { padding: 80px 0; }

    .nav-links {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0; right: 0; bottom: 0;
        background: rgba(17,17,17,0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 24px;
    }
    .nav-links.active { display: flex; }
    .nav-links a { font-size: 1.2rem; }
    .nav-toggle { display: flex; }

    .hero h1 { font-size: 2.5rem; }
    .hero-buttons { flex-direction: column; align-items: center; }

    .features-grid { grid-template-columns: 1fr; }
    .steps-container { grid-template-columns: 1fr; gap: 36px; }
    .steps-container::before { display: none; }
    .stats-grid { grid-template-columns: 1fr 1fr; }

    .algo-content h2 { font-size: 2rem; }
    .algo-pipeline { gap: 10px; }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
    .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
}