/* =============================================
   BINARIA OS — LANDING PAGE v2.1
   Light Theme · Teal + Orange + White
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@300;400;600;700;800;900&display=swap');

/* ---- CSS Variables ---- */
:root {
    /* Palette */
    --teal:         #1A9E8F;
    --teal-dark:    #127A6E;
    --teal-light:   #E8F7F5;
    --teal-mid:     #C2EBE6;
    --orange:       #F26A2E;
    --orange-dark:  #D4541A;
    --orange-light: #FEF0E8;
    --orange-mid:   #FAD4BC;

    /* Backgrounds */
    --bg:           #F8FAFA;
    --bg-2:         #FFFFFF;
    --bg-3:         #F0F5F4;
    --bg-card:      #FFFFFF;

    /* Text */
    --text-primary:   #0F1F1D;
    --text-secondary: #3D5550;
    --text-muted:     #7A9E99;
    --text-on-dark:   #FFFFFF;

    /* Borders */
    --border:       rgba(26, 158, 143, 0.15);
    --border-dark:  rgba(26, 158, 143, 0.3);
    --border-card:  rgba(0, 0, 0, 0.07);

    /* Gradients */
    --gradient:     linear-gradient(135deg, var(--teal) 0%, #0BBFAD 100%);
    --gradient-warm:linear-gradient(135deg, var(--orange) 0%, #F5A623 100%);
    --gradient-hero:linear-gradient(135deg, var(--teal) 0%, var(--orange) 100%);
    --gradient-bg:  linear-gradient(160deg, #E8F7F5 0%, #FFFFFF 50%, #FEF0E8 100%);

    /* Shadows */
    --shadow-sm:    0 2px 8px rgba(26,158,143,0.08);
    --shadow-md:    0 8px 32px rgba(26,158,143,0.12);
    --shadow-lg:    0 20px 60px rgba(26,158,143,0.15);
    --shadow-card:  0 4px 24px rgba(0,0,0,0.07);
    --shadow-orange:0 8px 24px rgba(242,106,46,0.25);

    /* Misc */
    --radius:       20px;
    --radius-sm:    12px;
    --radius-lg:    32px;
    --ease:         cubic-bezier(0.4, 0, 0.2, 1);
    --t:            0.3s;
    --font-body:    'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;
    --nav-h:        76px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background-color: var(--bg);
    color: var(--text-primary);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ---- Particle Canvas ---- */
#particle-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.6;
}

/* ---- Cursor Glow ---- */
.cursor-glow {
    position: fixed;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(26,158,143,0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: transform 0.08s linear;
    will-change: transform;
}

/* ---- Container ---- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 5%;
}

/* ---- Gradient Text ---- */
.gradient-text {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* =============================================
   NAVIGATION
   ============================================= */
#navbar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    transition: background var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

#navbar.scrolled {
    background: rgba(248, 250, 250, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 var(--border), 0 4px 24px rgba(0,0,0,0.06);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-h);
    padding: 0 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 11px;
    transition: opacity var(--t);
}
.nav-logo:hover { opacity: 0.8; }

#nav-logo-img {
    height: 36px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgba(26,158,143,0.2));
    transition: filter var(--t);
}
.nav-logo:hover #nav-logo-img {
    filter: drop-shadow(0 4px 12px rgba(26,158,143,0.4));
}

.nav-brand {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--text-primary);
}
.brand-accent { color: var(--teal); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.15rem;
}

.nav-links a {
    padding: 0.45rem 0.9rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: color var(--t), background var(--t);
}
.nav-links a:hover,
.nav-links a.active-nav {
    color: var(--teal-dark);
    background: var(--teal-light);
}
.nav-links a.active-nav { color: var(--teal); }

.nav-links .nav-cta {
    margin-left: 0.5rem;
    padding: 0.55rem 1.25rem;
    background: var(--gradient-warm);
    color: #fff !important;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    box-shadow: var(--shadow-orange);
    transition: transform var(--t), box-shadow var(--t);
}
.nav-links .nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(242,106,46,0.35);
    background: var(--gradient-warm);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform var(--t), opacity var(--t);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   HERO
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding: var(--nav-h) 5% 0;
    background: var(--gradient-bg);
}

.hero-bg-image {
    position: absolute;
    inset: 0;
    background: url('hero-bg-new.jpg') center / cover no-repeat;
    z-index: 0;
    opacity: 0.55;
    transform: scale(1.04);
    animation: heroZoom 18s ease-in-out infinite alternate;
}
@keyframes heroZoom {
    from { transform: scale(1.04); }
    to   { transform: scale(1.10); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to bottom,
            rgba(248,250,250,0.15) 0%,
            rgba(248,250,250,0.05) 50%,
            rgba(248,250,250,0.85) 100%);
    z-index: 1;
}

/* Floating Orbs */
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    pointer-events: none;
    z-index: 1;
    animation: orbFloat 14s ease-in-out infinite;
}
.orb-1 {
    width: 480px; height: 480px;
    background: radial-gradient(circle, rgba(26,158,143,0.18) 0%, transparent 70%);
    top: -80px; left: -120px;
    animation-delay: 0s;
}
.orb-2 {
    width: 520px; height: 520px;
    background: radial-gradient(circle, rgba(242,106,46,0.14) 0%, transparent 70%);
    bottom: -160px; right: -160px;
    animation-delay: -5s;
}
.orb-3 {
    width: 280px; height: 280px;
    background: radial-gradient(circle, rgba(26,158,143,0.1) 0%, transparent 70%);
    top: 35%; right: 8%;
    animation-delay: -9s;
}
@keyframes orbFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50%       { transform: translateY(-28px) scale(1.04); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 860px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.4rem 1rem;
    background: rgba(26,158,143,0.1);
    border: 1px solid rgba(26,158,143,0.25);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.8px;
    color: var(--teal-dark);
    margin-bottom: 1.75rem;
    text-transform: uppercase;
}
.badge-dot {
    width: 7px; height: 7px;
    background: var(--teal);
    border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(26,158,143,0.5); }
    50%       { box-shadow: 0 0 0 6px rgba(26,158,143,0); }
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(3.2rem, 8.5vw, 6.5rem);
    line-height: 1.0;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}
.title-line { display: block; }

.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

/* Scroll indicator */
.hero-scroll {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.68rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--teal), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
    0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
    50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
    100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.85rem 2rem;
    border-radius: 50px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}
.btn:hover { transform: translateY(-3px); }

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: var(--shadow-md);
}
.btn-primary:hover {
    box-shadow: 0 16px 40px rgba(26,158,143,0.3);
}

.btn-orange {
    background: var(--gradient-warm);
    color: #fff;
    box-shadow: var(--shadow-orange);
}
.btn-orange:hover {
    box-shadow: 0 16px 40px rgba(242,106,46,0.35);
}

.btn-ghost {
    background: #fff;
    color: var(--text-primary);
    border: 1.5px solid var(--border-dark);
    box-shadow: var(--shadow-sm);
}
.btn-ghost:hover {
    border-color: var(--teal);
    color: var(--teal-dark);
    box-shadow: var(--shadow-md);
    background: var(--teal-light);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 0.95rem;
}

/* =============================================
   STATS BAR
   ============================================= */
.stats-bar {
    position: relative;
    z-index: 10;
    padding: 0 5%;
}

.stats-grid {
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 2.5rem 3rem;
    background: #fff;
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    flex-wrap: wrap;
    gap: 1.5rem;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 120px;
}

.stat-num {
    display: inline;
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}
.stat-suffix {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    display: block;
    font-size: 0.73rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-top: 0.4rem;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: var(--border);
    flex-shrink: 0;
}

/* =============================================
   SECTION SHARED STYLES
   ============================================= */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--teal-dark);
    margin-bottom: 1rem;
    padding: 0.3rem 0.9rem;
    background: var(--teal-light);
    border: 1px solid rgba(26,158,143,0.2);
    border-radius: 50px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 3.8vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 540px;
    margin: 0 auto;
    line-height: 1.8;
}

/* =============================================
   WHY BINARIA
   ============================================= */
.why-section {
    padding: 8rem 0;
    position: relative;
    z-index: 2;
    background: var(--bg);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.why-card {
    background: #fff;
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    transition: transform var(--t) var(--ease), box-shadow var(--t);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}
.why-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t) var(--ease);
}
.why-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.why-card:hover::after { transform: scaleX(1); }

.why-icon {
    width: 54px; height: 54px;
    background: var(--teal-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: var(--teal);
    margin-bottom: 1.5rem;
    transition: background var(--t), color var(--t), transform var(--t);
}
.why-card:hover .why-icon {
    background: var(--gradient);
    color: #fff;
    transform: scale(1.08);
}

.why-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.65rem;
    color: var(--text-primary);
}

.why-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.75;
}

/* =============================================
   ECOSYSTEM
   ============================================= */
.ecosystem-section {
    padding: 4rem 0 8rem;
    position: relative;
    z-index: 2;
    background: var(--bg-3);
}

.eco-category {
    margin-bottom: 3.5rem;
}

.eco-category-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    padding-left: 2px;
}
.cat-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.cat-core  { background: var(--teal); box-shadow: 0 0 6px rgba(26,158,143,0.5); }
.cat-apps  { background: var(--orange); box-shadow: 0 0 6px rgba(242,106,46,0.5); }

/* Grid layouts */
.eco-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}
.eco-grid-apps {
    grid-template-columns: repeat(3, 1fr);
}

/* Card base */
.eco-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    transition: transform 0.18s var(--ease), border-color var(--t), box-shadow var(--t);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-card);
    transform-style: preserve-3d;
    will-change: transform;
}

.eco-card-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,158,143,0.04) 0%, rgba(242,106,46,0.03) 100%);
    opacity: 0;
    transition: opacity var(--t);
    pointer-events: none;
}

.eco-card:hover {
    transform: translateY(-7px);
    border-color: rgba(26,158,143,0.25);
    box-shadow: var(--shadow-lg);
}
.eco-card:hover .eco-card-glow { opacity: 1; }

/* Featured cards */
.eco-card-featured {
    background: linear-gradient(135deg, #f4fbfa 0%, #fff8f4 100%);
    border-color: rgba(26,158,143,0.15);
}

.eco-card-icon {
    width: 50px; height: 50px;
    background: var(--teal-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--teal);
    flex-shrink: 0;
    transition: background var(--t), color var(--t), transform var(--t);
}
.eco-card:hover .eco-card-icon {
    background: var(--gradient);
    color: #fff;
    transform: scale(1.08);
}

.eco-card-body { flex: 1; }

.eco-tag {
    display: inline-block;
    font-size: 0.66rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.18rem 0.55rem;
    border-radius: 4px;
    margin-bottom: 0.55rem;
    background: var(--teal-light);
    color: var(--teal-dark);
    border: 1px solid rgba(26,158,143,0.2);
}
.eco-tag-ai      { background: rgba(26,158,143,0.08); color: var(--teal-dark); border-color: rgba(26,158,143,0.2); }
.eco-tag-tool    { background: rgba(242,106,46,0.08); color: var(--orange-dark); border-color: rgba(242,106,46,0.2); }
.eco-tag-platform{ background: rgba(11,191,173,0.08); color: #0A8A7D; border-color: rgba(11,191,173,0.2); }
.eco-tag-fitness { background: rgba(242,106,46,0.1); color: var(--orange-dark); border-color: rgba(242,106,46,0.25); }
.eco-tag-exp     { background: rgba(245,166,35,0.1); color: #B87A00; border-color: rgba(245,166,35,0.25); }
.eco-tag-device  { background: rgba(26,158,143,0.08); color: var(--teal-dark); border-color: rgba(26,158,143,0.2); }

.eco-card-body h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.45rem;
    color: var(--text-primary);
    transition: color var(--t);
}
.eco-card:hover .eco-card-body h3 { color: var(--teal-dark); }

.eco-card-body p {
    font-size: 0.855rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.eco-card-footer {
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}
.eco-link {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--teal);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: gap var(--t), color var(--t);
}
.eco-card:hover .eco-link { gap: 10px; color: var(--teal-dark); }
.eco-link i { font-size: 0.72rem; }

/* =============================================
   CTA SECTION
   ============================================= */
.cta-section {
    padding: 6rem 0 8rem;
    position: relative;
    z-index: 2;
    background: var(--bg);
}

.cta-wrapper {
    position: relative;
    background: linear-gradient(135deg, var(--teal) 0%, #0BBFAD 40%, var(--orange) 100%);
    border-radius: var(--radius-lg);
    padding: 6rem 4rem;
    text-align: center;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(26,158,143,0.25);
}

.cta-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
}
.cta-orb-1 {
    width: 400px; height: 400px;
    background: rgba(255,255,255,0.12);
    top: -120px; left: -80px;
}
.cta-orb-2 {
    width: 350px; height: 350px;
    background: rgba(255,255,255,0.1);
    bottom: -100px; right: -60px;
}

.cta-content { position: relative; z-index: 2; }

.cta-section .section-tag {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.35);
    color: #fff;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    line-height: 1.15;
    margin: 1rem 0;
    letter-spacing: -0.5px;
    color: #fff;
}
.cta-title .gradient-text {
    background: rgba(255,255,255,0.9);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cta-subtitle {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.82);
    max-width: 540px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-section .btn-primary {
    background: #fff;
    color: var(--teal-dark);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.cta-section .btn-primary:hover {
    box-shadow: 0 16px 40px rgba(0,0,0,0.2);
}
.cta-section .btn-ghost {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border-color: rgba(255,255,255,0.4);
}
.cta-section .btn-ghost:hover {
    background: rgba(255,255,255,0.25);
    border-color: rgba(255,255,255,0.6);
    color: #fff;
    box-shadow: none;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    position: relative;
    z-index: 2;
    border-top: 1px solid var(--border);
    padding: 5rem 0 2rem;
    background: var(--bg-2);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-logo {
    height: 42px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.65;
    max-width: 250px;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 0.65rem;
}
.footer-social a {
    width: 38px; height: 38px;
    background: var(--teal-light);
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--teal);
    transition: background var(--t), color var(--t), transform var(--t);
}
.footer-social a:hover {
    background: var(--teal);
    color: #fff;
    transform: translateY(-2px);
}

.footer-links-col h4 {
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}
.footer-links-col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-links-col a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color var(--t);
}
.footer-links-col a:hover { color: var(--teal); }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-muted);
}
.heart { color: var(--orange); }

/* =============================================
   ANIMATIONS & REVEAL
   ============================================= */
.reveal-fade {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal-fade.visible { opacity: 1; transform: translateY(0); }

.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal-up.visible { opacity: 1; transform: translateY(0); }

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

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
    .eco-grid-apps { grid-template-columns: repeat(2, 1fr); }
    .footer-grid   { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
    :root { --nav-h: 68px; }

    .nav-links {
        position: fixed;
        top: var(--nav-h);
        left: 0; right: 0;
        background: rgba(248,250,250,0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1.5rem;
        gap: 0.4rem;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 8px 32px rgba(0,0,0,0.08);
        transform: translateY(-110%);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: transform var(--t) var(--ease), opacity var(--t) var(--ease), visibility var(--t);
        z-index: 999;
    }
    .nav-links.open { 
        transform: translateY(0); 
        opacity: 1; 
        visibility: visible; 
        pointer-events: all;
    }
    .nav-links a { width: 100%; padding: 0.75rem 1rem; }
    .nav-links .nav-cta { text-align: center; border-radius: var(--radius-sm); }

    .hamburger { display: flex; }

    .hero-title { font-size: clamp(2.6rem, 11vw, 4rem); letter-spacing: -1px; }

    .stats-grid { gap: 1rem; }
    .stat-divider { display: none; }

    .eco-grid { grid-template-columns: 1fr; }
    .eco-grid-apps { grid-template-columns: 1fr; }

    .cta-wrapper { padding: 4rem 2rem; }
    .cta-title { font-size: 2rem; }

    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

    .why-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero-actions, .cta-actions { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; }
}

/* =============================================
   SCROLLBAR
   ============================================= */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-3); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--teal), var(--orange));
    border-radius: 3px;
}