/* assets/css/main.css — Portfolio Platform Design System */

/* ========= RESET & BASE ========= */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-body, 'Inter', sans-serif);
    background: var(--color-bg, #0A0A0F);
    color: var(--color-text, #E8E8F0);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background 0.4s ease, color 0.4s ease;
}

body.light {
    --color-bg: #F5F5F7;
    --color-surface: #FFFFFF;
    --color-text: #1A1A2E;
}

/* ========= CSS VARIABLES ========= */
:root {
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --shadow-glow: 0 0 40px rgba(0,0,0,.3);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --blur: blur(20px);
    --max-width: 1200px;
}

/* ========= LOADING SCREEN ========= */
.loading-screen {
    position: fixed; inset: 0; z-index: 9999;
    background: var(--color-bg);
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}
.loading-screen.hidden { opacity: 0; visibility: hidden; }
.loading-content { text-align: center; }
.loading-logo {
    font-family: var(--font-heading);
    font-size: 48px; font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 32px; letter-spacing: -1px;
}
.loading-bar {
    width: 200px; height: 2px;
    background: rgba(255,255,255,.1);
    border-radius: 2px; overflow: hidden;
    margin: 0 auto;
}
.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
    animation: loadProgress 1.8s ease forwards;
}
@keyframes loadProgress { from { width: 0 } to { width: 100% } }

/* ========= CURSOR ========= */
.cursor-dot {
    position: fixed; width: 8px; height: 8px;
    background: var(--color-primary); border-radius: 50%;
    pointer-events: none; z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width .1s, height .1s;
}
.cursor-ring {
    position: fixed; width: 36px; height: 36px;
    border: 1.5px solid rgba(var(--color-primary-rgb, 0,212,255), .5);
    border-radius: 50%; pointer-events: none; z-index: 9997;
    transform: translate(-50%, -50%);
    transition: all .12s ease;
}
body:not([data-cursor="active"]) .cursor-dot,
body:not([data-cursor="active"]) .cursor-ring { display: none; }

/* ========= PARTICLES CANVAS ========= */
#particleCanvas {
    position: fixed; inset: 0; z-index: 0;
    pointer-events: none; opacity: .6;
}

/* ========= NAVBAR ========= */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 20px 0;
    transition: var(--transition);
}
.navbar.scrolled {
    background: rgba(var(--bg-rgb, 10,10,15), .85);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-bottom: 1px solid rgba(255,255,255,.06);
    padding: 12px 0;
    box-shadow: 0 8px 40px rgba(0,0,0,.4);
}
.nav-container {
    max-width: var(--max-width); margin: 0 auto;
    padding: 0 32px; display: flex; align-items: center;
    justify-content: space-between; gap: 40px;
}
.nav-logo { text-decoration: none; }
.logo-text {
    font-family: var(--font-heading);
    font-size: 22px; font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}
.logo-img { height: 40px; object-fit: contain; }
.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-link {
    padding: 8px 16px; border-radius: var(--radius-sm);
    color: rgba(var(--text-rgb, 232,232,240), .7);
    text-decoration: none; font-size: 14px; font-weight: 500;
    transition: var(--transition); position: relative;
}
.nav-link:hover, .nav-link.active {
    color: var(--color-text);
    background: rgba(255,255,255,.06);
}
.nav-link::after {
    content: ''; position: absolute; bottom: 4px; left: 50%; right: 50%;
    height: 2px; background: var(--color-primary); border-radius: 2px;
    transition: var(--transition);
}
.nav-link:hover::after { left: 16px; right: 16px; }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle, .lang-toggle {
    width: 38px; height: 38px;
    background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius-sm); cursor: pointer; color: var(--color-text);
    font-size: 14px; font-weight: 600; transition: var(--transition);
    display: flex; align-items: center; justify-content: center;
}
.theme-toggle:hover, .lang-toggle:hover {
    background: rgba(255,255,255,.12);
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.hamburger {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 8px;
}
.hamburger span {
    display: block; width: 22px; height: 2px;
    background: var(--color-text); border-radius: 2px; transition: var(--transition);
}

/* ========= CONTAINER ========= */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
section { padding: 100px 0; position: relative; }

/* ========= SECTION HEADER ========= */
.section-header { text-align: center; margin-bottom: 72px; }
.section-tag {
    display: inline-block; padding: 6px 16px;
    background: rgba(var(--primary-rgb), .1);
    border: 1px solid rgba(var(--primary-rgb), .2);
    border-radius: 100px; color: var(--color-primary);
    font-size: 12px; font-weight: 600; letter-spacing: 2px;
    text-transform: uppercase; margin-bottom: 16px;
}
.section-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 700; line-height: 1.1;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--color-text) 0%, rgba(var(--text-rgb,232,232,240),.5) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}
.section-subtitle {
    color: rgba(var(--text-rgb,232,232,240), .5);
    font-size: 17px; max-width: 560px; margin: 0 auto; line-height: 1.7;
}

/* ========= HERO ========= */
.hero {
    min-height: 100vh; display: flex; align-items: center;
    position: relative; overflow: hidden; padding: 120px 0 80px;
}
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 20px; border-radius: 100px;
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.1);
    font-size: 13px; color: rgba(var(--text-rgb,232,232,240),.7);
    margin-bottom: 32px; backdrop-filter: blur(10px);
}
.hero-badge-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 8px var(--color-primary);
    animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{transform:scale(1);opacity:1} 50%{transform:scale(1.3);opacity:.7} }
.hero-greeting {
    font-family: var(--font-heading);
    font-size: clamp(16px, 2vw, 20px);
    color: var(--color-primary); font-weight: 500; margin-bottom: 8px;
    letter-spacing: 2px; text-transform: uppercase;
}
.hero-name {
    font-family: var(--font-heading);
    font-size: clamp(52px, 9vw, 100px);
    font-weight: 700; line-height: .95;
    letter-spacing: -3px; margin-bottom: 16px;
}
.hero-name .gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 60%, var(--color-accent) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-typed-wrap {
    font-size: clamp(18px, 2.5vw, 24px);
    color: rgba(var(--text-rgb,232,232,240), .6);
    margin-bottom: 32px; min-height: 36px;
    font-family: var(--font-body);
}
.typed-cursor { color: var(--color-primary); animation: blink 1s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.hero-desc {
    font-size: 17px; color: rgba(var(--text-rgb,232,232,240), .5);
    max-width: 520px; margin-bottom: 48px; line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }
.btn-primary {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 16px 36px; border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #fff; font-size: 15px; font-weight: 600;
    text-decoration: none; border: none; cursor: pointer;
    transition: var(--transition); position: relative; overflow: hidden;
}
.btn-primary::before {
    content: ''; position: absolute; inset: 0;
    background: rgba(255,255,255,.15);
    transform: translateX(-100%); transition: transform .3s ease;
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,0,0,.3); }
.btn-secondary {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 16px 36px; border-radius: var(--radius-md);
    background: transparent;
    border: 1.5px solid rgba(255,255,255,.15);
    color: var(--color-text); font-size: 15px; font-weight: 600;
    text-decoration: none; cursor: pointer; transition: var(--transition);
}
.btn-secondary:hover {
    border-color: var(--color-primary); color: var(--color-primary);
    background: rgba(var(--primary-rgb),.08); transform: translateY(-2px);
}
.hero-stats {
    display: flex; gap: 48px; padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,.07);
}
.hero-stat .stat-number {
    font-family: var(--font-heading);
    font-size: 36px; font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    line-height: 1;
}
.hero-stat .stat-label {
    font-size: 13px; color: rgba(var(--text-rgb,232,232,240),.4);
    margin-top: 4px; text-transform: uppercase; letter-spacing: 1px;
}
.hero-visual {
    position: absolute; right: 0; top: 50%;
    transform: translateY(-50%); width: 45%;
    z-index: 1; pointer-events: none;
}
.hero-glow {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    width: 600px; height: 600px; border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--primary-rgb),.12) 0%, transparent 70%);
    pointer-events: none; z-index: 0;
}

/* ========= ABOUT ========= */
.about-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 80px; align-items: center;
}
.about-image-wrap { position: relative; }
.about-img {
    width: 100%; border-radius: var(--radius-xl);
    display: block; aspect-ratio: 4/5; object-fit: cover;
}
.about-img-placeholder {
    width: 100%; aspect-ratio: 4/5; border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(var(--primary-rgb),.15), rgba(var(--secondary-rgb),.15));
    border: 1px solid rgba(255,255,255,.08);
    display: flex; align-items: center; justify-content: center;
    font-size: 80px;
}
.about-badge {
    position: absolute; bottom: -24px; right: -24px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-md); padding: 20px 24px;
    box-shadow: 0 16px 48px rgba(0,0,0,.4);
}
.about-badge .badge-number { font-family: var(--font-heading); font-size: 36px; font-weight: 700; color: #fff; line-height: 1; }
.about-badge .badge-label { font-size: 11px; color: rgba(255,255,255,.8); text-transform: uppercase; letter-spacing: 1.5px; margin-top: 4px; }
.about-content h2 { font-family: var(--font-heading); font-size: 42px; font-weight: 700; letter-spacing: -1px; margin-bottom: 24px; line-height: 1.1; }
.about-text { font-size: 16px; color: rgba(var(--text-rgb,232,232,240),.6); line-height: 1.8; margin-bottom: 32px; }
.skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 40px; }
.skill-item {
    display: flex; align-items: center; gap: 12px;
    background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.07);
    border-radius: var(--radius-sm); padding: 14px;
    transition: var(--transition);
}
.skill-item:hover { border-color: var(--color-primary); background: rgba(var(--primary-rgb),.06); }
.skill-icon { color: var(--color-primary); font-size: 18px; width: 24px; }
.skill-name { font-size: 14px; font-weight: 500; }
.about-actions { display: flex; gap: 16px; }

/* ========= SERVICES ========= */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.service-card {
    background: rgba(255,255,255,.03);
    border: 1px solid rgba(255,255,255,.07);
    border-radius: var(--radius-lg); padding: 40px 32px;
    position: relative; overflow: hidden; transition: var(--transition);
    cursor: default;
}
.service-card::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(var(--primary-rgb),.06), transparent);
    opacity: 0; transition: var(--transition);
}
.service-card:hover { border-color: rgba(var(--primary-rgb),.3); transform: translateY(-8px); }
.service-card:hover::before { opacity: 1; }
.service-card.featured {
    background: linear-gradient(135deg, rgba(var(--primary-rgb),.1), rgba(var(--secondary-rgb),.05));
    border-color: rgba(var(--primary-rgb),.2);
}
.service-number {
    font-family: var(--font-heading); font-size: 11px; font-weight: 600;
    color: var(--color-primary); letter-spacing: 3px; text-transform: uppercase;
    margin-bottom: 20px; opacity: .6;
}
.service-icon-wrap {
    width: 56px; height: 56px; border-radius: var(--radius-md);
    background: rgba(var(--primary-rgb),.1); border: 1px solid rgba(var(--primary-rgb),.2);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 24px; transition: var(--transition);
}
.service-card:hover .service-icon-wrap { background: rgba(var(--primary-rgb),.2); transform: scale(1.05); }
.service-icon-wrap i { font-size: 22px; color: var(--color-primary); }
.service-title { font-family: var(--font-heading); font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.service-desc { font-size: 14px; color: rgba(var(--text-rgb,232,232,240),.55); line-height: 1.7; margin-bottom: 24px; }
.service-price {
    font-size: 13px; font-weight: 600; color: var(--color-primary);
    padding: 6px 14px; background: rgba(var(--primary-rgb),.1);
    border-radius: 100px; display: inline-block; margin-bottom: 16px;
}
.service-features { list-style: none; }
.service-features li {
    font-size: 13px; color: rgba(var(--text-rgb,232,232,240),.5);
    padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,.04);
    display: flex; align-items: center; gap: 8px;
}
.service-features li:last-child { border-bottom: none; }
.service-features li::before { content: '→'; color: var(--color-primary); font-size: 11px; }

/* ========= PROJECTS ========= */
.projects-filter {
    display: flex; gap: 8px; flex-wrap: wrap;
    justify-content: center; margin-bottom: 48px;
}
.filter-btn {
    padding: 8px 20px; border-radius: 100px;
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.1);
    color: rgba(var(--text-rgb,232,232,240),.6);
    font-size: 13px; font-weight: 500; cursor: pointer;
    transition: var(--transition); font-family: var(--font-body);
}
.filter-btn:hover, .filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary); color: #fff;
    box-shadow: 0 4px 20px rgba(var(--primary-rgb),.3);
}
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.project-card {
    background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.07);
    border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition);
    position: relative;
}
.project-card:hover { border-color: rgba(var(--primary-rgb),.3); transform: translateY(-6px); box-shadow: 0 24px 64px rgba(0,0,0,.4); }
.project-thumb {
    position: relative; overflow: hidden; aspect-ratio: 16/9;
    background: linear-gradient(135deg, rgba(var(--primary-rgb),.1), rgba(var(--secondary-rgb),.1));
}
.project-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.project-card:hover .project-thumb img { transform: scale(1.05); }
.project-thumb-placeholder {
    width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
    font-size: 40px;
}
.project-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,.7); backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center; gap: 12px;
    opacity: 0; transition: var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.overlay-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; border-radius: var(--radius-sm);
    background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.2);
    color: #fff; font-size: 13px; font-weight: 500;
    text-decoration: none; transition: var(--transition); cursor: pointer;
}
.overlay-btn:hover { background: var(--color-primary); border-color: var(--color-primary); }
.project-featured-badge {
    position: absolute; top: 12px; right: 12px;
    background: var(--color-primary); color: #fff;
    font-size: 10px; font-weight: 700; letter-spacing: 1.5px;
    text-transform: uppercase; padding: 4px 10px; border-radius: 100px;
}
.project-body { padding: 28px; }
.project-category {
    font-size: 11px; font-weight: 600; color: var(--color-primary);
    letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px;
}
.project-title { font-family: var(--font-heading); font-size: 20px; font-weight: 700; margin-bottom: 10px; line-height: 1.3; }
.project-desc { font-size: 14px; color: rgba(var(--text-rgb,232,232,240),.55); line-height: 1.7; margin-bottom: 20px; }
.project-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.project-tag {
    padding: 4px 10px; border-radius: 100px;
    background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08);
    font-size: 11px; color: rgba(var(--text-rgb,232,232,240),.5); font-weight: 500;
}

/* ========= GALLERY ========= */
.gallery-grid { columns: 3; gap: 16px; }
.gallery-item {
    break-inside: avoid; margin-bottom: 16px;
    position: relative; overflow: hidden;
    border-radius: var(--radius-md); cursor: pointer;
}
.gallery-item img {
    width: 100%; display: block; transition: transform .4s ease;
    border-radius: var(--radius-md);
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-overlay {
    position: absolute; inset: 0; background: rgba(0,0,0,.5);
    border-radius: var(--radius-md); opacity: 0; transition: var(--transition);
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; color: #fff;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

/* ========= COUNTERS ========= */
.counters-section { background: rgba(255,255,255,.02); border-top: 1px solid rgba(255,255,255,.06); border-bottom: 1px solid rgba(255,255,255,.06); padding: 72px 0; }
.counters-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.counter-item .counter-number {
    font-family: var(--font-heading); font-size: 56px; font-weight: 700; line-height: 1;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}
.counter-item .counter-plus { color: var(--color-accent); }
.counter-label { font-size: 14px; color: rgba(var(--text-rgb,232,232,240),.4); text-transform: uppercase; letter-spacing: 2px; }

/* ========= CONTACT ========= */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; align-items: start; }
.contact-info h2 { font-family: var(--font-heading); font-size: 40px; font-weight: 700; letter-spacing: -1px; margin-bottom: 16px; }
.contact-info p { color: rgba(var(--text-rgb,232,232,240),.55); font-size: 16px; line-height: 1.7; margin-bottom: 48px; }
.contact-items { display: flex; flex-direction: column; gap: 16px; }
.contact-item {
    display: flex; align-items: center; gap: 16px;
    padding: 20px; border-radius: var(--radius-md);
    background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.07);
    transition: var(--transition); text-decoration: none; color: var(--color-text);
}
.contact-item:hover { border-color: var(--color-primary); background: rgba(var(--primary-rgb),.05); }
.contact-item-icon {
    width: 44px; height: 44px; border-radius: var(--radius-sm);
    background: rgba(var(--primary-rgb),.1); display: flex; align-items: center;
    justify-content: center; color: var(--color-primary); font-size: 18px; flex-shrink: 0;
}
.contact-item-info label { display: block; font-size: 11px; color: rgba(var(--text-rgb,232,232,240),.4); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 2px; }
.contact-item-info span { font-size: 14px; font-weight: 500; }
.contact-form {
    background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.07);
    border-radius: var(--radius-xl); padding: 48px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: rgba(var(--text-rgb,232,232,240),.4); margin-bottom: 8px; }
.form-group input, .form-group textarea {
    width: 100%; background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius-sm); padding: 14px 18px;
    color: var(--color-text); font-size: 14px;
    font-family: var(--font-body); transition: var(--transition); outline: none; resize: vertical;
}
.form-group input:focus, .form-group textarea:focus {
    border-color: var(--color-primary);
    background: rgba(var(--primary-rgb),.05);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb),.1);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(var(--text-rgb,232,232,240),.25); }
.form-group textarea { min-height: 120px; }
.btn-submit {
    width: 100%; padding: 16px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border: none; border-radius: var(--radius-md); color: #fff;
    font-size: 15px; font-weight: 600; cursor: pointer;
    transition: var(--transition); font-family: var(--font-body);
    display: flex; align-items: center; justify-content: center; gap: 10px;
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(var(--primary-rgb),.3); }
.btn-submit:disabled { opacity: .6; transform: none; cursor: not-allowed; }

/* ========= FOOTER ========= */
.footer {
    background: rgba(0,0,0,.3); border-top: 1px solid rgba(255,255,255,.06);
    padding: 72px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 64px; margin-bottom: 64px; }
.footer-logo { font-family: var(--font-heading); font-size: 28px; font-weight: 700; background: linear-gradient(135deg, var(--color-primary), var(--color-secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 16px; }
.footer-brand p { color: rgba(var(--text-rgb,232,232,240),.4); font-size: 14px; line-height: 1.7; margin-bottom: 24px; }
.footer-socials { display: flex; gap: 8px; }
.social-link {
    width: 36px; height: 36px; border-radius: var(--radius-sm);
    background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08);
    display: flex; align-items: center; justify-content: center;
    color: rgba(var(--text-rgb,232,232,240),.5); text-decoration: none;
    font-size: 15px; transition: var(--transition);
}
.social-link:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; transform: translateY(-2px); }
.footer-links h4 { font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: rgba(var(--text-rgb,232,232,240),.4); margin-bottom: 20px; }
.footer-links a { display: block; color: rgba(var(--text-rgb,232,232,240),.5); text-decoration: none; font-size: 14px; margin-bottom: 12px; transition: var(--transition); }
.footer-links a:hover { color: var(--color-primary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.06); padding-top: 32px; text-align: center; color: rgba(var(--text-rgb,232,232,240),.3); font-size: 13px; }

/* ========= WHATSAPP ========= */
.whatsapp-float {
    position: fixed; bottom: 32px; right: 32px; z-index: 500;
    width: 56px; height: 56px; border-radius: 50%;
    background: #25D366; color: #fff; font-size: 26px;
    display: flex; align-items: center; justify-content: center;
    text-decoration: none; box-shadow: 0 8px 32px rgba(37,211,102,.4);
    transition: var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 12px 40px rgba(37,211,102,.6); }
.wa-pulse {
    position: absolute; inset: -4px; border-radius: 50%;
    border: 2px solid #25D366; opacity: .6;
    animation: waPulse 2s infinite;
}
@keyframes waPulse { 0%{transform:scale(1);opacity:.6} 100%{transform:scale(1.5);opacity:0} }

/* ========= TOAST ========= */
.toast-container { position: fixed; top: 24px; right: 24px; z-index: 9990; display: flex; flex-direction: column; gap: 8px; }
.toast {
    padding: 16px 20px; border-radius: var(--radius-md);
    background: rgba(30,30,50,.95); backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,.1);
    color: #fff; font-size: 14px; font-weight: 500;
    display: flex; align-items: center; gap: 12px;
    min-width: 280px; max-width: 380px;
    box-shadow: 0 8px 32px rgba(0,0,0,.4);
    animation: toastIn .3s ease;
    transition: var(--transition);
}
.toast.success { border-left: 3px solid #22c55e; }
.toast.error { border-left: 3px solid #ef4444; }
.toast.info { border-left: 3px solid var(--color-primary); }
@keyframes toastIn { from{transform:translateX(100%);opacity:0} to{transform:translateX(0);opacity:1} }

/* ========= GLASS EFFECT ========= */
.glass {
    background: rgba(255,255,255,.05);
    backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
    border: 1px solid rgba(255,255,255,.1);
}

/* ========= SCROLL REVEAL ========= */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .7s ease, transform .7s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity .7s ease, transform .7s ease; }
.reveal-left.revealed { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity .7s ease, transform .7s ease; }
.reveal-right.revealed { opacity: 1; transform: translateX(0); }

/* ========= LIGHTBOX ========= */
.lightbox-overlay {
    position: fixed; inset: 0; z-index: 9000;
    background: rgba(0,0,0,.9); backdrop-filter: blur(12px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: var(--transition);
}
.lightbox-overlay.active { opacity: 1; visibility: visible; }
.lightbox-img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius-md); box-shadow: 0 32px 80px rgba(0,0,0,.6); }
.lightbox-close {
    position: absolute; top: 24px; right: 24px; width: 44px; height: 44px;
    background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15);
    border-radius: var(--radius-sm); cursor: pointer; color: #fff;
    font-size: 18px; display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
}
.lightbox-close:hover { background: rgba(255,255,255,.2); }

/* ========= RESPONSIVE ========= */
@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; gap: 48px; }
    .contact-grid { grid-template-columns: 1fr; gap: 48px; }
    .hero-visual { display: none; }
    .counters-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .gallery-grid { columns: 2; }
}
@media (max-width: 768px) {
    section { padding: 72px 0; }
    .container { padding: 0 20px; }
    .nav-menu { display: none; position: fixed; inset: 0; top: 70px; background: rgba(var(--bg-rgb,10,10,15),.97); backdrop-filter: var(--blur); flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 40px; }
    .nav-menu.open { display: flex; }
    .nav-link { width: 100%; text-align: center; padding: 14px; font-size: 18px; }
    .hamburger { display: flex; }
    .hero-name { font-size: clamp(40px, 12vw, 64px); }
    .hero-stats { gap: 24px; }
    .hero-stat .stat-number { font-size: 28px; }
    .services-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .gallery-grid { columns: 1; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .counters-grid { grid-template-columns: 1fr 1fr; }
    .hero-actions { flex-direction: column; }
    .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
}
@media (max-width: 480px) {
    .hero-stats { flex-direction: column; gap: 16px; }
    .skills-grid { grid-template-columns: 1fr; }
    .whatsapp-float { bottom: 20px; right: 20px; width: 48px; height: 48px; font-size: 22px; }
}