/* ═══════════════════════════════════════
   VERXON — Design System & Landing Page
   Palette: Deep Charcoal + Emerald
   ═══════════════════════════════════════ */

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

:root {
    /* Surfaces */
    --bg:           #060608;
    --bg-elevated:  #0c0c10;
    --bg-card:      #111116;
    --bg-input:     #0e0e13;

    /* Borders */
    --border:       rgba(255,255,255,0.06);
    --border-hover: rgba(255,255,255,0.12);

    /* Emerald scale */
    --accent:       #10b981;
    --accent-light: #34d399;
    --accent-dim:   rgba(16,185,129,0.12);
    --accent-glow:  rgba(16,185,129,0.25);

    /* Text */
    --text:         #f1f5f9;
    --text-mid:     #94a3b8;
    --text-dim:     #64748b;

    /* Motion */
    --ease:         cubic-bezier(0.16, 1, 0.3, 1);
    --dur:          0.5s;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4, .nav-logo {
    font-family: 'Outfit', sans-serif;
    line-height: 1.15;
}

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

/* ── Gradient Text ── */
.gradient-text {
    background: linear-gradient(135deg, var(--accent), #38bdf8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s var(--ease);
    text-decoration: none;
}

.btn-primary {
    padding: 0.9rem 2rem;
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-ghost {
    padding: 0.9rem 2rem;
    background: transparent;
    border: 1px solid var(--border-hover);
    color: var(--text);
}
.btn-ghost:hover {
    background: rgba(255,255,255,0.04);
    border-color: var(--text-dim);
}

.btn-full { width: 100%; justify-content: center; }

/* ── Section Utilities ── */
.section-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 7rem 2rem;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--accent);
    margin-bottom: 1.25rem;
}

.section-title {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.section-sub {
    font-size: 1.1rem;
    color: var(--text-mid);
    max-width: 540px;
    line-height: 1.7;
}


/* ══════════════════════
   NAVBAR
   ══════════════════════ */
#navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 0 2rem;
    height: 72px;
    display: flex;
    align-items: center;
    transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
    border-bottom: 1px solid transparent;
}
#navbar.scrolled {
    background: rgba(6,6,8,0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom-color: var(--border);
}

.nav-inner {
    max-width: 1120px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}
.nav-links a {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-mid);
    transition: color 0.25s;
}
.nav-links a:hover { color: var(--text); }

.nav-cta {
    padding: 0.55rem 1.4rem !important;
    border-radius: 8px !important;
    background: var(--accent) !important;
    color: #fff !important;
    font-weight: 600 !important;
}
.nav-cta:hover {
    background: var(--accent-light) !important;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s;
}


/* ══════════════════════
   HERO
   ══════════════════════ */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Background effects */
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.grid-overlay {
    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 60% 50% at 50% 40%, black 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 30%, transparent 100%);
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
}
.glow-1 {
    width: 600px; height: 600px;
    background: var(--accent);
    top: -20%; right: -10%;
    animation: float 12s ease-in-out infinite alternate;
}
.glow-2 {
    width: 400px; height: 400px;
    background: #6366f1;
    bottom: -10%; left: -5%;
    animation: float 10s ease-in-out infinite alternate-reverse;
}
@keyframes float {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -40px) scale(1.1); }
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.hero-content {
    max-width: 720px;
    padding-top: 6rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 1.1rem;
    background: var(--accent-dim);
    border: 1px solid rgba(16,185,129,0.2);
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--accent-light);
    margin-bottom: 2rem;
}
.pulse-dot {
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow); }
    50%      { opacity: 0.7; box-shadow: 0 0 0 6px transparent; }
}

#hero h1 {
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 1.5rem;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--text-mid);
    max-width: 540px;
    margin-bottom: 2.5rem;
    line-height: 1.75;
}

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

/* Social proof strip */
.hero-proof {
    display: flex;
    gap: 2.5rem;
    align-items: center;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
}
.proof-item strong {
    display: block;
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
}
.proof-item span {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.proof-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    right: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 1;
}
.scroll-indicator span {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-dim);
    writing-mode: vertical-lr;
}
.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollPulse 2s infinite;
}
@keyframes scrollPulse {
    0%   { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
    50%  { opacity: 1; transform: scaleY(1); }
    100% { opacity: 0.3; transform: scaleY(0.5); }
}


/* ══════════════════════
   SERVICES
   ══════════════════════ */
#services {
    border-top: 1px solid var(--border);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 3.5rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), var(--accent-dim), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}
.card:hover::before { opacity: 1; }
.card:hover {
    border-color: rgba(16,185,129,0.3);
    transform: translateY(-4px);
}

.card-icon {
    width: 52px; height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-dim);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.card p {
    color: var(--text-mid);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.card-tags span {
    padding: 0.3rem 0.75rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--text-dim);
    font-weight: 500;
}


/* ══════════════════════
   PROCESS
   ══════════════════════ */
#process {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
}

.process-track {
    position: relative;
    margin-top: 4rem;
    padding-left: 3rem;
}

.process-line {
    position: absolute;
    left: 11px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--border));
}

.process-step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    margin-bottom: 3.5rem;
    position: relative;
}
.process-step:last-child { margin-bottom: 0; }

.step-num {
    flex-shrink: 0;
    width: 44px; height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border: 2px solid var(--accent);
    border-radius: 50%;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--accent);
    margin-left: -3rem;
    position: relative;
    z-index: 1;
}

.step-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}
.step-content p {
    color: var(--text-mid);
    font-size: 0.95rem;
    max-width: 480px;
}


/* ══════════════════════
   WHY SECTION
   ══════════════════════ */
#why {
    border-top: 1px solid var(--border);
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.why-text .section-sub {
    margin-top: 1rem;
}

.why-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.why-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 2rem 1.5rem;
    transition: all 0.35s var(--ease);
}
.why-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
}

.why-card-icon {
    font-size: 1.6rem;
    margin-bottom: 0.75rem;
}

.why-card h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.why-card p {
    font-size: 0.88rem;
    color: var(--text-mid);
    line-height: 1.55;
}


/* ══════════════════════
   CONTACT
   ══════════════════════ */
#contact {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 5rem;
    align-items: start;
}

.contact-details {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.detail-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-mid);
    font-size: 0.95rem;
}
.detail-item svg { color: var(--accent); flex-shrink: 0; }

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-mid);
    margin-bottom: 0.5rem;
}

input, textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.25s;
    outline: none;
}
input:focus, textarea:focus {
    border-color: var(--accent);
    background: var(--bg);
    box-shadow: 0 0 0 3px var(--accent-dim);
}
input::placeholder, textarea::placeholder {
    color: var(--text-dim);
}
textarea { resize: vertical; min-height: 120px; }


/* ══════════════════════
   FOOTER
   ══════════════════════ */
footer {
    border-top: 1px solid var(--border);
}

.footer-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 3.5rem 2rem 2.5rem;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
}

.footer-brand p {
    margin-top: 0.5rem;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}
.footer-links a {
    color: var(--text-dim);
    font-size: 0.9rem;
    transition: color 0.25s;
}
.footer-links a:hover { color: var(--text); }

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 2rem;
}
.footer-bottom p {
    font-size: 0.82rem;
    color: var(--text-dim);
}


/* ══════════════════════
   REVEAL ANIMATION
   ══════════════════════ */
[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].visible {
    opacity: 1;
    transform: translateY(0);
}


/* ══════════════════════
   RESPONSIVE
   ══════════════════════ */
@media (max-width: 900px) {
    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        inset: 0;
        top: 72px;
        background: rgba(6,6,8,0.97);
        backdrop-filter: blur(20px);
        padding: 3rem 2rem;
        gap: 1.5rem;
        z-index: 99;
    }
    .nav-links.open a {
        font-size: 1.2rem;
        color: var(--text);
    }
    .hamburger { display: flex; }

    .hero-content { padding-top: 4rem; }
    #hero h1 { font-size: clamp(2.2rem, 8vw, 3.2rem); }
    .hero-proof { flex-direction: column; gap: 1.5rem; align-items: flex-start; }
    .proof-divider { width: 40px; height: 1px; }

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

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

    .contact-wrapper { grid-template-columns: 1fr; gap: 3rem; }

    .form-row { grid-template-columns: 1fr; }

    .footer-top { flex-direction: column; gap: 2rem; }

    .scroll-indicator { display: none; }
}

@media (max-width: 550px) {
    .why-cards { grid-template-columns: 1fr; }
    .section-inner { padding: 5rem 1.25rem; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { text-align: center; justify-content: center; }
}