/* TildaWave Systems — Design System */

:root {
    /* Color palette */
    --bg-base: #04060d;
    --bg-elevated: #0a0f1f;
    --bg-surface: #0e1530;
    --bg-surface-hover: #131b3d;
    --border-subtle: rgba(255, 255, 255, 0.07);
    --border-strong: rgba(255, 255, 255, 0.16);

    --text-primary: #f1f3f9;
    --text-secondary: #a8b0c5;
    --text-muted: #6b7390;

    --accent: #4f8bff;
    --accent-bright: #6ea4ff;
    --accent-deep: #2563eb;
    --accent-glow: rgba(79, 139, 255, 0.45);
    --cyan: #22d3ee;
    --violet: #a78bfa;
    --pink: #f472b6;

    --success: #34d399;
    --warning: #fbbf24;

    --grad-brand: linear-gradient(120deg, #6ea4ff 0%, #a78bfa 50%, #22d3ee 100%);

    /* Type */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Orbitron', var(--font-sans);

    /* Layout */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 28px;

    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.35);
    --shadow-elev: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--accent-glow);
}

* { box-sizing: border-box; }

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    overflow-x: hidden;
}

section { scroll-margin-top: 90px; position: relative; }
img { max-width: 100%; height: auto; }

a {
    color: var(--accent-bright);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover { color: var(--text-primary); }

::selection { background: var(--accent); color: white; }

/* Cursor glow follower */
.cursor-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(79, 139, 255, 0.16), transparent 60%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    will-change: transform;
    mix-blend-mode: screen;
}

@media (max-width: 991px) {
    .cursor-glow { display: none; }
}

/* Typography */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-secondary);
    background: rgba(79, 139, 255, 0.08);
    border: 1px solid rgba(79, 139, 255, 0.25);
    padding: 0.45rem 0.95rem;
    border-radius: 999px;
    margin-bottom: 0.5rem;
}

.eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-bright);
    box-shadow: 0 0 10px var(--accent-bright);
}

.eyebrow .status-dot,
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
    position: relative;
}
.eyebrow .status-dot::after,
.status-dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--success);
    opacity: 0.4;
    animation: pulse-ring 2s ease-out infinite;
}
.eyebrow:has(.status-dot)::before { display: none; }

@keyframes pulse-ring {
    0% { transform: scale(0.8); opacity: 0.6; }
    100% { transform: scale(2); opacity: 0; }
}

.section-heading {
    font-family: var(--font-sans);
    font-size: clamp(2rem, 4.5vw, 3.4rem);
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.05;
    margin: 1rem 0 1.25rem;
    color: var(--text-primary);
}

.section-sub {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.6;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.text-gradient {
    background: var(--grad-brand);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: gradFlow 8s ease infinite;
}

@keyframes gradFlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Navigation */
.navbar {
    background: rgba(4, 6, 13, 0.6) !important;
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid transparent;
    padding: 0.85rem 0;
    transition: background 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
    z-index: 1030;
}

.navbar.scrolled {
    background: rgba(4, 6, 13, 0.92) !important;
    border-bottom-color: var(--border-subtle);
    padding: 0.6rem 0;
}

.navbar-brand {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--text-primary) !important;
    display: flex;
    align-items: center;
}

.logo { height: 32px; width: auto; }

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-size: 0.92rem;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.2s ease;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active { color: var(--text-primary) !important; }

.navbar .nav-cta {
    margin-left: 0.75rem;
    padding: 0.55rem 1.1rem !important;
    background: var(--accent);
    color: #fff !important;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.2s ease, transform 0.2s ease;
    display: inline-flex !important;
    align-items: center;
    gap: 0.4rem;
}
.navbar .nav-cta:hover {
    background: var(--accent-bright);
    transform: translateY(-1px);
}

.navbar-toggler {
    border: 1px solid var(--border-subtle);
    padding: 0.35rem 0.55rem;
    color: var(--text-primary);
}
.navbar-toggler:focus { box-shadow: none; }

/* Buttons */
.btn {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.85rem 1.6rem;
    border-radius: 999px;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary,
.btn.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 8px 24px rgba(79, 139, 255, 0.35);
    position: relative;
    overflow: hidden;
}

.btn-primary::before,
.btn.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.2) 50%, transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn-primary:hover,
.btn.btn-primary:hover {
    background: var(--accent-bright);
    border-color: var(--accent-bright);
    transform: translateY(-2px);
    box-shadow: 0 14px 36px rgba(79, 139, 255, 0.55);
    color: #fff;
}

.btn-primary:hover::before,
.btn.btn-primary:hover::before { transform: translateX(100%); }

.btn-ghost {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.28);
    transform: translateY(-2px);
}

.btn-lg { padding: 1rem 1.85rem; font-size: 1rem; }

/* Hero */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    overflow: hidden;
    background: var(--bg-base);
}

.hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.85;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.55;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: rgba(79, 139, 255, 0.4);
    top: -150px;
    left: -100px;
    animation: orbFloat 14s ease-in-out infinite;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: rgba(167, 139, 250, 0.35);
    bottom: -100px;
    right: -50px;
    animation: orbFloat 18s ease-in-out infinite reverse;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, -30px) scale(1.05); }
    66% { transform: translate(-30px, 40px) scale(0.95); }
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-family: var(--font-sans);
    font-size: clamp(2.5rem, 6.5vw, 5.2rem);
    font-weight: 600;
    line-height: 1.02;
    letter-spacing: -0.035em;
    margin: 1.5rem 0 1.25rem;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.4vw, 1.18rem);
    color: var(--text-secondary);
    line-height: 1.65;
    max-width: 560px;
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 1rem;
    border-top: 1px solid var(--border-subtle);
    padding-top: 1.25rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    flex-wrap: wrap;
}

.hero-trust strong {
    color: var(--text-secondary);
    font-weight: 600;
}

.trust-avatars { display: flex; }

.trust-avatars .avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-deep), var(--violet));
    border: 2px solid var(--bg-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.85rem;
    margin-left: -10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}
.trust-avatars .avatar:first-child { margin-left: 0; }
.trust-avatars .avatar:nth-child(2) { background: linear-gradient(135deg, var(--cyan), var(--accent)); }
.trust-avatars .avatar:nth-child(3) { background: linear-gradient(135deg, var(--violet), var(--pink)); }
.trust-avatars .avatar:nth-child(4) { background: linear-gradient(135deg, var(--success), var(--cyan)); }

/* Hero visual */
.hero-visual {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.imac-stage {
    position: relative;
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
}

.imac-stage::before {
    content: '';
    position: absolute;
    inset: -10% -10% -20% -10%;
    background: radial-gradient(ellipse at center, rgba(79, 139, 255, 0.3), transparent 65%);
    filter: blur(40px);
    z-index: -1;
}

.imac-image {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.7));
    animation: floaty 6s ease-in-out infinite;
}

@keyframes floaty {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.imac-screen-overlay {
    position: absolute;
    top: 7%;
    left: 11%;
    width: 78%;
    height: 50%;
    pointer-events: none;
    overflow: hidden;
}

.screen-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 4.2rem;
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.6);
    transition: opacity 0.6s ease, transform 0.6s ease;
    color: var(--accent-bright);
    text-shadow: 0 0 30px currentColor;
}
.screen-icon.active {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.screen-icon.fa-aws { color: #ff9900; }
.screen-icon.fa-microsoft { color: #4dabf5; }
.screen-icon.fa-google { color: #ea4335; }
.screen-icon.fa-robot { color: var(--cyan); }
.screen-icon.fa-database { color: var(--violet); }
.screen-icon.fa-cogs { color: var(--success); }

.service-label {
    position: absolute;
    bottom: -2.5rem;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.float-card {
    position: absolute;
    background: rgba(14, 21, 48, 0.75);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 0.8rem 1rem;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: var(--shadow-soft);
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--text-primary);
    font-size: 0.85rem;
    animation: floaty 7s ease-in-out infinite;
}

.float-card i { font-size: 1.1rem; color: var(--accent-bright); }
.float-card .label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
}
.float-card .value { font-weight: 600; color: var(--text-primary); }

.float-card.card-1 { top: 8%; left: -8%; animation-delay: -2s; }
.float-card.card-2 { bottom: 18%; right: -6%; animation-delay: -4s; }
.float-card.card-3 { bottom: -2%; left: 8%; animation-delay: -1s; }

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    color: var(--text-muted);
    transition: color 0.2s ease;
}
.scroll-indicator:hover { color: var(--text-primary); }

.scroll-indicator .mouse {
    display: block;
    width: 22px;
    height: 36px;
    border: 2px solid currentColor;
    border-radius: 12px;
    position: relative;
}
.scroll-indicator .wheel {
    position: absolute;
    top: 6px;
    left: 50%;
    width: 3px;
    height: 7px;
    background: currentColor;
    border-radius: 2px;
    transform: translateX(-50%);
    animation: scroll-wheel 2s ease-in-out infinite;
}
@keyframes scroll-wheel {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 12px); opacity: 0; }
}

/* Marquee */
.marquee-section {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1.75rem 0;
    overflow: hidden;
    position: relative;
    z-index: 5;
}

.marquee {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
    display: flex;
    align-items: center;
    gap: 3.5rem;
    white-space: nowrap;
    animation: marqueeScroll 40s linear infinite;
    width: max-content;
}

.marquee-track span {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color 0.2s ease;
}

.marquee-track span:hover { color: var(--text-primary); }

.marquee-track span i {
    font-size: 1.3rem;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.marquee-track span:hover i { color: var(--accent-bright); }

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Stats */
.stats-section {
    padding: 5rem 0;
}

.stat-item {
    padding: 1.5rem 0;
    border-left: 1px solid var(--border-subtle);
    padding-left: 1.5rem;
}
.stat-item:first-child { border-left: none; padding-left: 0; }

.stat-value {
    font-family: var(--font-sans);
    font-size: clamp(2.6rem, 4.5vw, 4rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1;
    background: var(--grad-brand);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Sections */
.section { padding: 7rem 0; position: relative; }

.section-alt {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

/* Pillars */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.pillar-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease, border-color 0.3s ease, background 0.3s ease;
}

.pillar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-bright), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.pillar-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-strong);
    background: var(--bg-surface-hover);
}
.pillar-card:hover::before { opacity: 1; }

.pillar-featured {
    background: linear-gradient(180deg, rgba(79, 139, 255, 0.10), var(--bg-surface));
    border-color: rgba(79, 139, 255, 0.3);
}
.pillar-featured::before { opacity: 1; }

.pillar-num {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-bright);
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
}

.pillar-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.015em;
    margin-bottom: 0.85rem;
    color: var(--text-primary);
}

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

.pillar-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 1px solid var(--border-subtle);
    padding-top: 1.25rem;
}

.pillar-list li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.35rem 0;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.pillar-list li i {
    color: var(--success);
    font-size: 0.75rem;
}

/* Bento services */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.25rem;
}

.bento-card {
    grid-column: span 2;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.bento-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(79, 139, 255, 0.14), transparent 40%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.bento-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    background: var(--bg-surface-hover);
}
.bento-card:hover::before { opacity: 1; }

.bento-card.bento-wide { grid-column: span 3; }

.bento-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(79, 139, 255, 0.18), rgba(167, 139, 250, 0.18));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-bright);
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(79, 139, 255, 0.28);
    transition: transform 0.3s ease;
}

.bento-card:hover .bento-icon {
    transform: scale(1.05) rotate(-3deg);
}

.bento-card h3 {
    font-size: 1.22rem;
    font-weight: 600;
    margin-bottom: 0.7rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.bento-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.6;
}

/* Process timeline */
.process-line {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    position: relative;
}

.process-line::before {
    content: '';
    position: absolute;
    top: 38px;
    left: 7%;
    right: 7%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
    z-index: 0;
}

.process-step {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.process-step:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
}

.process-num {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    box-shadow: 0 8px 24px rgba(79, 139, 255, 0.4);
}

.process-step h4 {
    font-size: 1.18rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
    color: var(--text-primary);
}

.process-step p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin: 0;
    line-height: 1.55;
}

/* Capabilities */
.capability-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.capability-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.capability-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
}

.capability-card h4 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

.capability-card h4 i { font-size: 1.45rem; }

.capability-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.capability-list li {
    padding: 0.45rem 0;
    color: var(--text-secondary);
    font-size: 0.92rem;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    border-top: 1px solid var(--border-subtle);
}
.capability-list li:first-child { border-top: none; }

.capability-list li i {
    color: var(--success);
    font-size: 0.75rem;
    margin-top: 0.45rem;
    flex-shrink: 0;
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.portfolio-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.4s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.portfolio-item:hover {
    transform: translateY(-6px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-elev);
    color: inherit;
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--bg-elevated);
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.portfolio-item:hover .portfolio-image img { transform: scale(1.06); }

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(4, 6, 13, 0.85));
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }

.overlay-cta {
    background: var(--accent);
    color: #fff;
    padding: 0.6rem 1.1rem;
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 8px 24px rgba(79, 139, 255, 0.5);
}

.portfolio-meta {
    padding: 1.5rem 1.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    border-top: 1px solid var(--border-subtle);
}

.portfolio-meta h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.3rem;
    letter-spacing: -0.01em;
}

.portfolio-tag {
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.portfolio-thumbs {
    display: flex;
    gap: 0.4rem;
}

.portfolio-thumbs img {
    width: 44px;
    height: 44px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border-subtle);
}

/* Client / Experience */
.client-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.client-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.client-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
}

.client-card .client-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(79, 139, 255, 0.15), rgba(34, 211, 238, 0.15));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-bright);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(79, 139, 255, 0.25);
}

.client-card h5 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.client-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.55;
    margin: 0;
}

.client-card .role {
    color: var(--text-muted);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.25rem;
}

/* About */
.lead-text {
    color: var(--text-primary);
    font-size: 1.15rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.muted-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.about-credentials {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem 1.25rem;
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
}

.about-credentials li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.about-credentials li i { color: var(--success); }

.about-visual {
    position: relative;
    aspect-ratio: 1;
    max-width: 420px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(79, 139, 255, 0.22), rgba(167, 139, 250, 0.18));
    border: 1px solid var(--border-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.about-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
}

.about-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(79, 139, 255, 0.4), transparent 60%);
}

.about-visual img {
    position: relative;
    z-index: 1;
    width: 65%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.6));
}

/* CTA */
.cta-section { padding: 6rem 0; }

.cta-card {
    background: linear-gradient(135deg, rgba(79, 139, 255, 0.18), rgba(167, 139, 250, 0.12) 60%, rgba(34, 211, 238, 0.10));
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-xl);
    padding: 4.5rem 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(79, 139, 255, 0.35), transparent 60%);
    pointer-events: none;
}

.cta-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, #000 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, #000 30%, transparent 80%);
    pointer-events: none;
}

.cta-card .eyebrow { position: relative; }

.cta-card h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.1;
    margin: 1rem 0 0.85rem;
    position: relative;
}

.cta-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2.25rem;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.cta-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

/* Contact */
.contact-section { padding: 7rem 0; }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
    align-items: start;
}

.contact-info-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.contact-info-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

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

.contact-detail {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.9rem 0;
    border-top: 1px solid var(--border-subtle);
}
.contact-detail:last-child { border-bottom: 1px solid var(--border-subtle); }

.contact-detail-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(79, 139, 255, 0.12);
    color: var(--accent-bright);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-detail .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.contact-detail .value { font-weight: 600; color: var(--text-primary); }
.contact-detail .value a { color: var(--text-primary); }
.contact-detail .value a:hover { color: var(--accent-bright); }

.contact-form {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.form-control {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79, 139, 255, 0.18);
    outline: none;
}

.form-control::placeholder { color: var(--text-muted); }

.form-label-text {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
    display: block;
}

.form-status {
    margin-top: 1rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    display: none;
}

.form-status.success {
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid rgba(52, 211, 153, 0.3);
    color: var(--success);
    display: block;
}
.form-status.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
    display: block;
}

/* Footer */
footer {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border-subtle);
    padding: 3rem 0 2rem;
    color: var(--text-muted);
    position: relative;
    z-index: 5;
}

footer .footer-brand {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.75rem;
}

footer .footer-brand img { height: 28px; }

footer p { margin: 0; font-size: 0.88rem; }

footer .social-links a {
    color: var(--text-secondary);
    font-size: 1.1rem;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-subtle);
    transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
    margin-left: 0.5rem;
}

footer .social-links a:hover {
    color: var(--text-primary);
    border-color: var(--accent);
    background: rgba(79, 139, 255, 0.08);
    transform: translateY(-2px);
}

/* Reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 991px) {
    .navbar-collapse {
        background: rgba(4, 6, 13, 0.98);
        margin-top: 0.75rem;
        padding: 1rem;
        border-radius: var(--radius-md);
        border: 1px solid var(--border-subtle);
    }
    .navbar .nav-cta {
        margin-left: 0;
        margin-top: 0.5rem;
        display: inline-block;
    }

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

    .bento-grid { grid-template-columns: repeat(2, 1fr); }
    .bento-card,
    .bento-card.bento-wide { grid-column: span 1; }

    .process-line { grid-template-columns: repeat(2, 1fr); }
    .process-line::before { display: none; }

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

    .client-grid { grid-template-columns: repeat(2, 1fr); }

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

    .hero-visual { margin-top: 3rem; min-height: 380px; }

    .stat-item {
        border-left: none;
        padding-left: 0;
        text-align: center;
        border-top: 1px solid var(--border-subtle);
        padding-top: 1.5rem;
        margin-top: 1.5rem;
    }
    .stat-item:first-child {
        border-top: none;
        padding-top: 0;
        margin-top: 0;
    }

    .scroll-indicator { display: none; }
}

@media (max-width: 640px) {
    .hero-section {
        padding: 120px 0 60px;
        min-height: auto;
    }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .hero-trust { flex-direction: column; align-items: flex-start; }

    .section,
    .contact-section,
    .stats-section,
    .cta-section {
        padding: 4rem 0;
    }

    .bento-grid,
    .process-line,
    .portfolio-grid,
    .client-grid {
        grid-template-columns: 1fr;
    }

    .pillar-card { padding: 2rem 1.5rem; }

    .cta-card { padding: 3rem 1.5rem; }

    .float-card { display: none; }

    .about-credentials { grid-template-columns: 1fr; }

    .portfolio-meta { flex-direction: column; align-items: flex-start; }
}


/* Honeypot anti-spam field — hidden from humans, visible to bots */
.hp-field {
    position: absolute !important;
    left: -10000px !important;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}