/* ===== RESET & VARIABLES ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #ffffff;
    --bg-card: #ffffff;
    --accent: #6366f1;
    --accent-2: #8b5cf6;
    --cyan: #0891b2;
    --text: #0f172a;
    --muted: #94a3b8;
    --muted-2: #64748b;
    --glass: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(99, 102, 241, 0.12);
    --glow: 0 4px 40px rgba(99, 102, 241, 0.12);
}

html { scroll-behavior: smooth; }

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

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99,102,241,0.07), transparent),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(139,92,246,0.05), transparent),
        radial-gradient(ellipse 40% 40% at 20% 60%, rgba(8,145,178,0.04), transparent);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(99,102,241,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99,102,241,0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

/* ===== NAVBAR ===== */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid rgba(99,102,241,0.1);
    transition: all 0.3s ease;
}

.nav-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--muted-2);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color 0.2s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 1px;
    background: linear-gradient(90deg, var(--accent), var(--cyan));
    transition: width 0.3s ease;
}

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

.nav-cta {
    background: linear-gradient(135deg, var(--accent), var(--accent-2)) !important;
    color: white !important;
    padding: 0.5rem 1.25rem !important;
    border-radius: 6px;
    font-weight: 600 !important;
    transition: opacity 0.2s, transform 0.2s !important;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }

/* ===== HERO ===== */
#hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8rem 3rem 4rem;
}

.hero-inner {
    max-width: 1200px;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 5rem;
    margin-bottom: 4rem;
}

.hero-text {
    flex: 1;
    min-width: 0;
}

/* ===== PHOTO ===== */
.hero-photo-wrap {
    flex-shrink: 0;
    position: relative;
    animation: fadeInUp 0.9s ease 0.3s both;
}

.photo-glow {
    position: absolute;
    inset: -3px;
    border-radius: 31px;
    background: linear-gradient(135deg, var(--accent), transparent 40%, var(--cyan));
    z-index: -1;
    filter: blur(10px);
    opacity: 0.7;
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.9; }
}

.photo-frame {
    aspect-ratio: 260 / 310;
    width: min(520px, 90vw, 48.6vh);
    height: auto;
    border-radius: 28px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(99,102,241,0.3);
    box-shadow: 0 0 0 1px rgba(255,255,255,0.04), 0 30px 80px rgba(0,0,0,0.5);
}

.photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
}

.photo-ring {
    position: absolute;
    inset: -20px;
    border-radius: 40px;
    border: 1px dashed rgba(99,102,241,0.18);
    pointer-events: none;
    animation: spinSlow 35s linear infinite;
}

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

.photo-badge {
    position: absolute;
    background: rgba(255,255,255,0.92);
    border-radius: 12px;
    padding: 0.6rem 1rem;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    gap: 0.45rem;
    animation: floatBadge 4s ease-in-out infinite;
}

.photo-badge-1 {
    bottom: -18px; right: -18px;
    border: 1px solid rgba(6,182,212,0.3);
    color: var(--cyan);
    animation-delay: 0s;
}

.photo-badge-2 {
    top: 18px; right: -22px;
    border: 1px solid rgba(99,102,241,0.3);
    color: #a5b4fc;
    animation-delay: 2s;
}

.photo-badge-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.8;
}

@keyframes floatBadge {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-7px); }
}

/* ===== HERO CONTENT ===== */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.25);
    color: #4338ca;
    padding: 0.4rem 1.1rem;
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease both;
}

.badge-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--cyan);
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--cyan); }
    50% { opacity: 0.4; box-shadow: none; }
}

.hero-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.gradient-text {
    background: linear-gradient(135deg, #1e293b 0%, var(--accent) 40%, var(--cyan) 70%, var(--accent-2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientMove 5s ease infinite;
}

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

.hero-title {
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    color: var(--muted-2);
    font-weight: 400;
    margin-bottom: 1.75rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title span { color: var(--cyan); font-weight: 600; }

.hero-title .sep { margin: 0 0.6rem; color: var(--muted); }

.ai-highlight {
    background: linear-gradient(135deg, #a855f7, #ec4899) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    font-weight: 700 !important;
}

.hero-desc {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    color: var(--muted);
    max-width: 640px;
    margin: 0 0 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s both;
    margin-bottom: 4rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    padding: 0.9rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 0 35px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 55px rgba(99, 102, 241, 0.55);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--glass);
    color: var(--text);
    padding: 0.9rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.07);
    border-color: rgba(255,255,255,0.15);
    transform: translateY(-2px);
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: #25D366;
    color: white;
    padding: 0.7rem 1.4rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 0 25px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(37, 211, 102, 0.5);
}

.btn-whatsapp-icon {
    font-size: 1.1rem;
}

.hero-stats {
    display: flex;
    justify-content: flex-start;
    gap: 3.5rem;
    flex-wrap: wrap;
    padding-top: 2.5rem;
    border-top: 1px solid var(--glass-border);
    animation: fadeInUp 0.8s ease 0.5s both;
    max-width: 1200px;
    width: 100%;
}

.stat-item { text-align: center; }

.stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, #a5b4fc, var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--muted);
    margin-top: 0.35rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 500;
}

/* ===== SECTIONS ===== */
section {
    position: relative;
    z-index: 1;
    padding: 6rem 2rem;
}

.section-container {
    max-width: 1100px;
    margin: 0 auto;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.section-label::before {
    content: '';
    display: block;
    width: 22px; height: 1px;
    background: var(--accent);
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.15;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 520px;
    line-height: 1.75;
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: all 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== EXPERIENCE ===== */
#experience {
    background: linear-gradient(180deg, transparent 0%, rgba(99,102,241,0.03) 50%, transparent 100%);
}

.experience-header { margin-bottom: 4rem; }

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0; top: 8px; bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, var(--accent), var(--accent-2), var(--cyan), transparent);
    opacity: 0.35;
}

.timeline-item {
    position: relative;
    padding-left: 2.75rem;
    padding-bottom: 3.5rem;
}
.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
    position: absolute;
    left: -2.25rem;
    top: 0.35rem;
    width: 11px; height: 11px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--cyan));
    box-shadow: 0 0 16px rgba(99, 102, 241, 0.7);
}

.timeline-period {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 0.6rem;
}

.timeline-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 2rem 2.25rem;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}

.timeline-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99,102,241,0.06), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
}

.timeline-card:hover {
    border-color: rgba(99,102,241,0.3);
    transform: translateX(5px);
    box-shadow: var(--glow);
}
.timeline-card:hover::before { opacity: 1; }

.timeline-role {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.35rem;
}

.timeline-company {
    font-size: 0.88rem;
    color: var(--cyan);
    font-weight: 600;
    margin-bottom: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.timeline-desc {
    color: var(--muted-2);
    font-size: 0.9rem;
    line-height: 1.75;
}

/* ===== SKILLS ===== */
#skills {
    background: linear-gradient(180deg, transparent 0%, rgba(6,182,212,0.03) 50%, transparent 100%);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.skill-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 1.85rem 2rem;
    transition: all 0.35s ease;
}

.skill-card:hover {
    border-color: rgba(99,102,241,0.25);
    transform: translateY(-5px);
    box-shadow: var(--glow);
}

.skill-card-icon {
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    display: block;
}

.skill-card-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.tag {
    background: rgba(99,102,241,0.08);
    border: 1px solid rgba(99,102,241,0.14);
    color: var(--muted-2);
    padding: 0.28rem 0.75rem;
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 500;
    transition: all 0.2s;
}
.tag:hover {
    background: rgba(99,102,241,0.15);
    color: var(--text);
    border-color: rgba(99,102,241,0.3);
}

.tag.tech {
    background: rgba(6,182,212,0.08);
    border-color: rgba(6,182,212,0.14);
    color: rgba(6,182,212,0.75);
}
.tag.tech:hover {
    background: rgba(6,182,212,0.15);
    color: var(--cyan);
    border-color: rgba(6,182,212,0.3);
}

.tag.ai {
    background: rgba(168,85,247,0.08);
    border-color: rgba(168,85,247,0.18);
    color: rgba(192,132,252,0.85);
}
.tag.ai:hover {
    background: rgba(168,85,247,0.15);
    color: #d8b4fe;
    border-color: rgba(168,85,247,0.35);
}

.skill-card-ai {
    border-color: rgba(168,85,247,0.2);
    background: linear-gradient(145deg, rgba(168,85,247,0.05), rgba(236,72,153,0.03), var(--glass));
    position: relative;
}

.skill-card-ai:hover {
    border-color: rgba(168,85,247,0.4) !important;
    box-shadow: 0 0 40px rgba(168,85,247,0.15) !important;
}

.skill-card-ai-badge {
    position: absolute;
    top: 1.25rem; right: 1.25rem;
    background: linear-gradient(135deg, #a855f7, #ec4899);
    color: white;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    padding: 0.2rem 0.55rem;
    border-radius: 100px;
}

/* ===== PROJECTS ===== */
#projects {
    background: linear-gradient(180deg, transparent 0%, rgba(139,92,246,0.03) 50%, transparent 100%);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.project-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem 2.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--cyan));
    opacity: 0;
    transition: opacity 0.3s;
}

.project-card:hover {
    border-color: rgba(99,102,241,0.25);
    transform: translateY(-5px);
    box-shadow: var(--glow);
}
.project-card:hover::after { opacity: 1; }

.project-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.project-icon { font-size: 1.75rem; line-height: 1; }

.project-year {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.05em;
    background: rgba(99,102,241,0.08);
    border: 1px solid rgba(99,102,241,0.15);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
}

.project-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.3;
}

.project-desc {
    color: var(--muted-2);
    font-size: 0.875rem;
    line-height: 1.75;
    flex: 1;
}

.project-metrics {
    display: flex;
    gap: 1.5rem;
    padding: 1rem 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.project-metric {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.metric-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    background: linear-gradient(135deg, #a5b4fc, var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-label {
    font-size: 0.72rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* ===== SERVICES ===== */
#services {
    background: linear-gradient(180deg, transparent 0%, rgba(99,102,241,0.04) 50%, transparent 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem 2.25rem;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99,102,241,0.06), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.service-card:hover {
    border-color: rgba(99,102,241,0.3);
    transform: translateY(-5px);
    box-shadow: var(--glow);
}
.service-card:hover::before { opacity: 1; }

/* Service card AI (full width) */
.service-card-ai {
    grid-column: span 3;
    flex-direction: row !important;
    align-items: flex-start;
    gap: 2.5rem !important;
    border-color: rgba(168,85,247,0.25);
    background: linear-gradient(145deg, rgba(168,85,247,0.06), rgba(236,72,153,0.03), var(--glass));
}

.service-card-ai:hover {
    border-color: rgba(168,85,247,0.45) !important;
    box-shadow: 0 0 50px rgba(168,85,247,0.2) !important;
}

.service-card-ai::before {
    background: linear-gradient(135deg, rgba(168,85,247,0.08), transparent 60%) !important;
}

.service-card-ai .service-card-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.service-card-ai .service-card-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.service-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.service-icon { font-size: 2rem; line-height: 1; }

.service-badge {
    background: rgba(6,182,212,0.1);
    border: 1px solid rgba(6,182,212,0.25);
    color: var(--cyan);
    padding: 0.3rem 0.85rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.service-badge-ai {
    background: linear-gradient(135deg, rgba(168,85,247,0.15), rgba(236,72,153,0.1));
    border: 1px solid rgba(168,85,247,0.3);
    color: #d8b4fe;
    padding: 0.3rem 0.85rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.service-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.3;
}

.service-desc {
    color: var(--muted-2);
    font-size: 0.9rem;
    line-height: 1.75;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.service-feature {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.87rem;
    color: var(--muted-2);
}

.service-feature svg { color: var(--accent); flex-shrink: 0; }

.service-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.88rem;
    transition: all 0.3s ease;
    align-self: flex-start;
    margin-top: auto;
    box-shadow: 0 0 25px rgba(99,102,241,0.25);
}

.service-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(99,102,241,0.45);
}

.service-cta-ai {
    background: linear-gradient(135deg, #a855f7, #ec4899) !important;
    box-shadow: 0 0 25px rgba(168,85,247,0.3) !important;
}
.service-cta-ai:hover { box-shadow: 0 0 45px rgba(168,85,247,0.5) !important; }

.ai-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(168,85,247,0.12);
}

/* ===== EDUCATION ===== */
#education {
    background: linear-gradient(180deg, transparent 0%, rgba(139,92,246,0.03) 50%, transparent 100%);
}

.edu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-top: 3rem;
}

.edu-section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--muted-2);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--glass-border);
}

.edu-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 1.1rem 1.5rem;
    margin-bottom: 0.75rem;
    transition: all 0.3s ease;
}

.edu-card:hover {
    border-color: rgba(139,92,246,0.25);
    transform: translateX(5px);
}

.edu-card-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.2rem;
}

.edu-card-sub { font-size: 0.78rem; color: var(--muted); }

.cert-badge {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(139,92,246,0.06));
    border: 1px solid rgba(99,102,241,0.18);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    transition: all 0.3s ease;
}

.cert-badge:hover {
    border-color: rgba(99,102,241,0.38);
    transform: translateX(5px);
    box-shadow: 0 0 20px rgba(99,102,241,0.1);
}

.cert-icon {
    width: 34px; height: 34px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: white;
    font-weight: 700;
    flex-shrink: 0;
}

.cert-name { font-size: 0.88rem; font-weight: 600; color: var(--text); }

/* ===== CONTACT ===== */
#contact { text-align: left; }

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.8fr;
    gap: 3rem;
    margin-top: 3rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-info-icon {
    width: 42px; height: 42px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-info-label {
    font-size: 0.72rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.contact-info-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s;
}
a.contact-info-value:hover { color: var(--accent); }

.contact-availability {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(6,182,212,0.08);
    border: 1px solid rgba(6,182,212,0.2);
    border-radius: 10px;
    padding: 0.85rem 1.1rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--cyan);
    margin-top: 0.5rem;
}

.availability-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--cyan);
    animation: blink 2s ease-in-out infinite;
    flex-shrink: 0;
}

.contact-form {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem 2.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--muted-2);
    letter-spacing: 0.03em;
}

.form-input {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    width: 100%;
}

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

.form-input:focus {
    border-color: rgba(99,102,241,0.5);
    background: rgba(99,102,241,0.04);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-select option { background: #ffffff; color: var(--text); }

.form-textarea {
    resize: vertical;
    min-height: 130px;
    line-height: 1.6;
}

.form-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    border: none;
    padding: 0.9rem 2rem;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 30px rgba(99,102,241,0.3);
    align-self: flex-start;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px rgba(99,102,241,0.5);
}
.form-submit:active { transform: translateY(0); }

.form-success {
    display: none;
    background: rgba(6,182,212,0.08);
    border: 1px solid rgba(6,182,212,0.25);
    border-radius: 8px;
    padding: 0.85rem 1.1rem;
    font-size: 0.88rem;
    color: var(--cyan);
    font-weight: 500;
}

/* ===== FOOTER ===== */
footer {
    position: relative;
    z-index: 1;
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--glass-border);
}

footer p { color: var(--muted); font-size: 0.85rem; }
footer span { color: var(--accent); }

/* ===== FLOATING ORBS ===== */
.orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
    z-index: 0;
}

.orb-1 {
    width: 500px; height: 500px;
    background: rgba(99, 102, 241, 0.07);
    top: -150px; right: -150px;
    animation: orb1 10s ease-in-out infinite;
}

.orb-2 {
    width: 350px; height: 350px;
    background: rgba(8, 145, 178, 0.05);
    bottom: 10%; left: -120px;
    animation: orb2 12s ease-in-out infinite;
}

.orb-3 {
    width: 250px; height: 250px;
    background: rgba(139, 92, 246, 0.05);
    top: 50%; right: 10%;
    animation: orb3 8s ease-in-out infinite;
}

@keyframes orb1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-40px, 40px); }
}
@keyframes orb2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}
@keyframes orb3 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-20px, 20px); }
}

/* ===== KEYFRAMES ===== */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(22px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.25); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.4); }

/* ===== RESPONSIVE ===== */

/* Hamburger */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 101;
}
.nav-hamburger span {
    display: block;
    width: 24px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s ease;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Tablet 1024px */
@media (max-width: 1024px) {
    .hero-inner { gap: 3rem; }
    .photo-frame { width: 240px; height: 285px; }
    .edu-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .service-card-ai { grid-column: span 2; flex-direction: column !important; }
}

/* Hero stack 900px */
@media (max-width: 900px) {
    #hero { min-height: auto; justify-content: flex-start; padding: 6.5rem 1.5rem 3rem; }
    .hero-inner { flex-direction: column; gap: 2rem; align-items: center; }
    .hero-text { text-align: center; }
    .hero-desc { margin: 0 auto 2.5rem; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }
    .photo-badge { display: none; }
    .photo-ring { display: none; }
}

/* Mobile 768px */
@media (max-width: 768px) {
    nav { padding: 1rem 1.25rem; position: relative; }

    .nav-hamburger { display: flex; }

    .nav-links {
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(99,102,241,0.1);
        flex-direction: column;
        padding: 0.5rem 1.5rem 1rem;
        gap: 0;
        display: none;
        box-shadow: 0 8px 30px rgba(0,0,0,0.07);
        z-index: 99;
    }
    .nav-links.open { display: flex; }
    .nav-links li { border-bottom: 1px solid rgba(99,102,241,0.07); }
    .nav-links li:last-child { border-bottom: none; }
    .nav-links a { display: block; padding: 0.85rem 0; font-size: 0.95rem; }
    .nav-links a::after { display: none; }
    .nav-cta { display: block; text-align: center; margin-top: 0.5rem; border-radius: 8px !important; }

    section { padding: 3.5rem 1.25rem; }

    .photo-frame { width: 190px; height: 225px; }
    .hero-stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem 2rem;
        justify-items: center;
    }

    .timeline { padding-left: 1.25rem; }
    .timeline-item { padding-left: 1.5rem; }
    .timeline-dot { left: -1.9rem; }
    .timeline-card { padding: 1.25rem 1.5rem; }
    .timeline-role { font-size: 1.1rem; }

    .skills-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .project-metrics { flex-wrap: wrap; gap: 1rem; }

    .services-grid { grid-template-columns: 1fr !important; }
    .service-card-ai { grid-column: span 1 !important; flex-direction: column !important; }

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

/* Small mobile 480px */
@media (max-width: 480px) {
    section { padding: 3rem 1rem; }
    .hero-name { font-size: 2.4rem; }
    .hero-title { font-size: 0.9rem; }
    .section-title { font-size: 1.7rem; }
    .stat-number { font-size: 1.9rem; }
    .photo-frame { width: 170px; height: 200px; }
    .contact-form { padding: 1.5rem 1.25rem; }
    .project-card { padding: 1.5rem; }
    .skill-card { padding: 1.5rem; }
    .timeline-card { padding: 1rem 1.25rem; }
    .hero-stats { gap: 1rem 1.5rem; }
}