/* =============================================
   ROOT & RESET
   ============================================= */
:root {
    --blue:    #2563eb;
    --blue-d:  #1d4ed8;
    --violet:  #7c3aed;
    --cyan:    #06b6d4;
    --green:   #16a34a;
    --dark:    #0f172a;
    --dark2:   #1e293b;
    --mid:     #334155;
    --slate:   #64748b;
    --border:  #e2e8f0;
    --bg:      #f8fafc;
    --white:   #ffffff;
    --text:    #1e293b;
    --muted:   #64748b;

    --shadow-xs: 0 1px 3px rgba(0,0,0,.08);
    --shadow-sm: 0 2px 8px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.06);
    --shadow:    0 4px 24px rgba(0,0,0,.08), 0 2px 8px rgba(0,0,0,.05);
    --shadow-lg: 0 16px 48px rgba(0,0,0,.12), 0 6px 16px rgba(0,0,0,.08);
    --shadow-xl: 0 32px 80px rgba(0,0,0,.16);

    --radius:    16px;
    --radius-sm: 8px;
    --ease:      cubic-bezier(.4,0,.2,1);
    --trans:     .3s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; }
ul { list-style: none; padding: 0; }
strong { font-weight: 700; }

/* =============================================
   NAVBAR
   ============================================= */
#navbar {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 1.25rem 2rem;
    transition: padding var(--trans), background var(--trans), box-shadow var(--trans);
}
#navbar.scrolled {
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0,0,0,.08), var(--shadow-xs);
    padding: .875rem 2rem;
}
#navbar nav {
    max-width: 1200px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
    font-size: 1.1rem; font-weight: 900;
    background: var(--blue);
    color: #fff;
    width: 40px; height: 40px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    letter-spacing: -.03em;
    transition: background var(--trans), transform var(--trans);
}
.nav-logo:hover { background: var(--blue-d); transform: scale(1.05); }
.nav-links { display: flex; gap: 1.75rem; align-items: center; }
.nav-links a {
    font-size: .875rem; font-weight: 500; letter-spacing: .01em;
    color: rgba(255,255,255,.85);
    transition: color var(--trans);
}
#navbar.scrolled .nav-links a { color: var(--text); }
.nav-links a:hover { color: var(--blue); }
.nav-cta {
    background: var(--blue) !important; color: #fff !important;
    padding: .5rem 1.25rem; border-radius: 50px;
    font-size: .85rem !important;
}
#navbar.scrolled .nav-cta { color: #fff !important; }
.nav-cta:hover { background: var(--blue-d) !important; transform: translateY(-1px); }

/* Hamburger */
.hamburger {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
    display: block; width: 22px; height: 2px;
    background: rgba(255,255,255,.9); border-radius: 2px;
    transition: var(--trans);
}
#navbar.scrolled .hamburger span { background: var(--text); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
    position: fixed; inset: 0;
    background: var(--dark);
    z-index: 999;
    display: flex; align-items: center; justify-content: center;
    transform: translateX(100%);
    transition: transform .45s cubic-bezier(.77,0,.18,1);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-close {
    position: absolute; top: 1.5rem; right: 1.75rem;
    background: none; border: none; cursor: pointer;
    color: rgba(255,255,255,.5); font-size: 1.5rem;
    transition: color var(--trans);
}
.mobile-close:hover { color: #fff; }
.mobile-nav ul { text-align: center; }
.mobile-nav li { margin: 1.25rem 0; opacity: 0; transform: translateY(20px); transition: opacity .4s, transform .4s; }
.mobile-nav.open li { opacity: 1; transform: translateY(0); }
.mobile-nav.open li:nth-child(1) { transition-delay: .1s; }
.mobile-nav.open li:nth-child(2) { transition-delay: .15s; }
.mobile-nav.open li:nth-child(3) { transition-delay: .2s; }
.mobile-nav.open li:nth-child(4) { transition-delay: .25s; }
.mobile-nav.open li:nth-child(5) { transition-delay: .3s; }
.mobile-nav.open li:nth-child(6) { transition-delay: .35s; }
.mobile-nav.open li:nth-child(7) { transition-delay: .4s; }
.mobile-nav a {
    font-size: 2rem; font-weight: 800; color: rgba(255,255,255,.8);
    transition: color var(--trans);
}
.mobile-nav a:hover { color: var(--cyan); }

/* =============================================
   HERO
   ============================================= */
#hero {
    position: relative;
    min-height: 100vh;
    background: linear-gradient(140deg, #050d1a 0%, #0f172a 40%, #1a0533 80%, #0f172a 100%);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    padding: 6rem 2rem 5rem;
}
#hero-canvas {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    pointer-events: none;
}

/* Ambient glows */
#hero::before, #hero::after {
    content: '';
    position: absolute; border-radius: 50%;
    filter: blur(80px); opacity: .25; pointer-events: none;
}
#hero::before {
    width: 600px; height: 600px;
    background: radial-gradient(circle, var(--blue), transparent 70%);
    top: -10%; left: -10%;
    animation: glow-drift 8s ease-in-out infinite alternate;
}
#hero::after {
    width: 500px; height: 500px;
    background: radial-gradient(circle, var(--violet), transparent 70%);
    bottom: -5%; right: -5%;
    animation: glow-drift 10s ease-in-out infinite alternate-reverse;
}
@keyframes glow-drift {
    from { transform: translate(0,0) scale(1); }
    to   { transform: translate(40px,30px) scale(1.15); }
}

.hero-content {
    position: relative; z-index: 2;
    text-align: center;
    max-width: 860px;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: .5rem;
    background: rgba(37,99,235,.18);
    border: 1px solid rgba(37,99,235,.35);
    color: #93c5fd;
    padding: .35rem 1rem; border-radius: 50px;
    font-size: .75rem; font-weight: 600;
    letter-spacing: .06em; text-transform: uppercase;
    margin-bottom: 1.75rem;
    animation: fade-up .6s var(--ease) .2s both;
}
.badge-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: #4ade80;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%,100% { box-shadow: 0 0 0 0 rgba(74,222,128,.6); }
    50%      { box-shadow: 0 0 0 5px rgba(74,222,128,0); }
}

.hero-name {
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 900; line-height: 1.05;
    letter-spacing: -.03em; color: #fff;
    margin-bottom: 1rem;
    animation: fade-up .6s var(--ease) .4s both;
}
.name-accent { color: var(--cyan); }

.hero-typewriter {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    color: #a5b4fc; font-weight: 400;
    min-height: 2rem; margin-bottom: 1.5rem;
    animation: fade-up .6s var(--ease) .6s both;
}
.tw-cursor {
    color: var(--cyan);
    animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-bio {
    font-size: 1.05rem; color: rgba(255,255,255,.65);
    max-width: 640px; margin: 0 auto 2.5rem;
    line-height: 1.8;
    animation: fade-up .6s var(--ease) .8s both;
}

/* Stats */
.hero-stats {
    display: flex; align-items: center; justify-content: center;
    gap: 0; flex-wrap: wrap;
    margin-bottom: 2.75rem;
    animation: fade-up .6s var(--ease) 1s both;
}
.stat-item { text-align: center; padding: .5rem 2rem; }
.stat-divider {
    width: 1px; height: 48px;
    background: rgba(255,255,255,.12);
    flex-shrink: 0;
}
.stat-num {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 900; color: #fff; line-height: 1;
}
.stat-plus {
    font-size: 1.4rem; font-weight: 900;
    color: var(--cyan); vertical-align: super;
}
.stat-label {
    display: block; font-size: .72rem;
    color: rgba(255,255,255,.45);
    text-transform: uppercase; letter-spacing: .06em;
    margin-top: .3rem;
}

/* Buttons */
.hero-actions {
    display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap;
    animation: fade-up .6s var(--ease) 1.2s both;
}
.btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .875rem 2rem; border-radius: 50px;
    font-size: .9rem; font-weight: 600;
    cursor: pointer; border: none;
    transition: transform var(--trans), box-shadow var(--trans), background var(--trans), color var(--trans);
}
.btn-primary {
    background: var(--blue); color: #fff;
    box-shadow: 0 4px 20px rgba(37,99,235,.4);
}
.btn-primary:hover {
    background: var(--blue-d); transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(37,99,235,.5);
}
.btn-ghost {
    background: rgba(255,255,255,.1); color: rgba(255,255,255,.9);
    border: 1px solid rgba(255,255,255,.2);
    backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,.18); transform: translateY(-2px); }
.btn-sm {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .55rem 1.25rem; border-radius: 50px;
    font-size: .82rem; font-weight: 600;
    background: rgba(255,255,255,.12); color: rgba(255,255,255,.85);
    border: 1px solid rgba(255,255,255,.2);
    transition: var(--trans); margin-top: 1.25rem;
}
.btn-sm:hover { background: rgba(255,255,255,.22); transform: translateY(-1px); }

/* Scroll hint */
.scroll-hint {
    position: absolute; bottom: 2rem; left: 50%;
    transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: .5rem;
    color: rgba(255,255,255,.25); font-size: .7rem;
    letter-spacing: .1em; text-transform: uppercase;
    animation: fade-up .6s var(--ease) 1.6s both;
}
.scroll-line {
    width: 1px; height: 48px;
    background: linear-gradient(to bottom, rgba(255,255,255,.3), transparent);
    animation: scroll-grow 1.8s ease-in-out infinite;
}
@keyframes scroll-grow {
    0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
    50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
    100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* Shared fade-up keyframe */
@keyframes fade-up {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* =============================================
   SECTION COMMON
   ============================================= */
.section-label {
    display: flex; align-items: center; gap: .75rem;
    font-size: .72rem; font-weight: 700;
    letter-spacing: .12em; text-transform: uppercase;
    color: var(--blue); margin-bottom: .875rem;
}
.section-label.light { color: var(--cyan); }
.section-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: .7rem; color: inherit; opacity: .6;
}
.section-label::after {
    content: '';
    flex: 1; max-width: 60px; height: 1px;
    background: currentColor; opacity: .35;
}
.section-title {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    font-weight: 800; letter-spacing: -.02em;
    color: var(--dark); margin-bottom: 3.5rem; line-height: 1.15;
}
.section-title.light { color: #fff; }

/* Reveal animations */
.reveal {
    opacity: 0; transform: translateY(32px);
    transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-stagger {
    opacity: 0; transform: translateY(28px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal-stagger.visible { opacity: 1; transform: translateY(0); }
.reveal-stagger:nth-child(1) { transition-delay: .05s; }
.reveal-stagger:nth-child(2) { transition-delay: .15s; }
.reveal-stagger:nth-child(3) { transition-delay: .25s; }
.reveal-stagger:nth-child(4) { transition-delay: .35s; }
.reveal-stagger:nth-child(5) { transition-delay: .45s; }

/* 3D Tilt */
.tilt-card { transform-style: preserve-3d; will-change: transform; }

/* =============================================
   ABOUT
   ============================================= */
#about {
    max-width: 1200px; margin: 0 auto;
    padding: 6rem 2rem;
}
.about-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 4rem; align-items: start;
}
.photo-wrap {
    border-radius: 20px; overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-xl);
    cursor: default;
}
.photo-wrap img {
    width: 100%; aspect-ratio: 3/4;
    object-fit: cover; display: block;
}
.photo-glow {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(37,99,235,.15), rgba(124,58,237,.1));
    pointer-events: none;
}
.photo-wrap::before {
    content: '';
    position: absolute; inset: -2px;
    background: linear-gradient(135deg, var(--blue), var(--violet), var(--cyan));
    border-radius: 22px; z-index: -1;
}
.about-socials {
    display: flex; justify-content: center; gap: .75rem;
    margin-top: 1.25rem;
}
.about-socials a {
    width: 42px; height: 42px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: var(--white); color: var(--slate);
    border: 1px solid var(--border); font-size: 1rem;
    transition: var(--trans);
    box-shadow: var(--shadow-xs);
}
.about-socials a:hover {
    background: var(--blue); color: #fff;
    border-color: var(--blue); transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37,99,235,.3);
}
.about-lead {
    font-size: 1.15rem; font-weight: 600;
    color: var(--dark); margin-bottom: 1rem; line-height: 1.65;
}
.about-text-col p { color: var(--muted); margin-bottom: 1rem; line-height: 1.8; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.5rem; }
.chip {
    padding: .3rem .875rem; border-radius: 50px;
    font-size: .78rem; font-weight: 600;
    background: #eff6ff; color: var(--blue);
    border: 1px solid #bfdbfe;
    transition: var(--trans);
}
.chip:hover { background: var(--blue); color: #fff; border-color: var(--blue); transform: translateY(-1px); }

/* =============================================
   EXPERIENCE
   ============================================= */
#experience {
    max-width: 1100px; margin: 0 auto;
    padding: 2rem 2rem 6rem;
}
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
    content: '';
    position: absolute; left: 0; top: 8px; bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--blue), var(--violet) 60%, transparent);
}
.tl-item { position: relative; margin-bottom: 2.5rem; }
.tl-dot {
    position: absolute; left: -2.9rem; top: 1.75rem;
    width: 14px; height: 14px; border-radius: 50%;
    background: var(--white); border: 3px solid var(--blue);
    box-shadow: 0 0 0 3px rgba(37,99,235,.15);
    transition: var(--trans);
}
.tl-dot.active {
    background: var(--blue);
    box-shadow: 0 0 0 4px rgba(37,99,235,.2), 0 0 16px rgba(37,99,235,.5);
    animation: dot-pulse 2.5s ease-in-out infinite;
}
@keyframes dot-pulse {
    0%,100% { box-shadow: 0 0 0 4px rgba(37,99,235,.2), 0 0 16px rgba(37,99,235,.5); }
    50%      { box-shadow: 0 0 0 8px rgba(37,99,235,.08), 0 0 28px rgba(37,99,235,.3); }
}
.tl-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem 2rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--trans), border-color var(--trans), transform .15s var(--ease);
}
.tl-card:hover {
    box-shadow: var(--shadow-lg); border-color: rgba(37,99,235,.3);
}
.tl-header {
    display: flex; justify-content: space-between; align-items: flex-start;
    gap: 1rem; margin-bottom: 1.25rem;
}
.tl-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--dark); margin-bottom: .2rem; }
.tl-company { font-size: .9rem; font-weight: 600; color: var(--blue); margin-bottom: .2rem; }
.tl-location { font-size: .78rem; color: var(--muted); }
.tl-location i { margin-right: .25rem; }
.tl-badge {
    white-space: nowrap; padding: .3rem .875rem; border-radius: 50px;
    font-size: .75rem; font-weight: 600;
    background: #f1f5f9; color: var(--slate);
    border: 1px solid var(--border);
    flex-shrink: 0;
}
.active-badge { background: #f0fdf4; color: var(--green); border-color: #bbf7d0; }
.tl-bullets { padding-left: 0; margin-bottom: 1.25rem; }
.tl-bullets li {
    position: relative; padding: .35rem 0 .35rem 1.25rem;
    font-size: .875rem; color: var(--muted); line-height: 1.7;
}
.tl-bullets li::before {
    content: '▸';
    position: absolute; left: 0;
    color: var(--blue); font-size: .75rem;
    top: .55rem;
}
.tl-bullets li strong { color: var(--dark); }
.tl-stack { display: flex; flex-wrap: wrap; gap: .35rem; }
.tl-stack span {
    font-family: 'JetBrains Mono', monospace;
    font-size: .7rem; font-weight: 500;
    background: #f8fafc; color: var(--slate);
    border: 1px solid var(--border);
    padding: .2rem .6rem; border-radius: 4px;
}

/* Recommendation */
.recommendation {
    background: linear-gradient(135deg, var(--dark) 0%, #1a0533 100%);
    border-radius: var(--radius);
    padding: 3rem; text-align: center;
    margin-top: 3rem;
}
.rec-quote-icon {
    font-size: 2.5rem; color: var(--cyan);
    opacity: .4; margin-bottom: 1rem;
}
.recommendation blockquote {
    font-size: 1rem; line-height: 1.9;
    color: rgba(255,255,255,.78); font-style: italic;
    max-width: 700px; margin: 0 auto 1rem;
    border: none; background: none; padding: 0;
}
.recommendation cite {
    display: block; font-size: .85rem;
    color: rgba(255,255,255,.4); font-style: normal;
    margin-bottom: .25rem;
}

/* =============================================
   SKILLS  (full-bleed dark)
   ============================================= */
#skills {
    background: var(--dark);
    padding: 5rem 2rem;
}
.skills-inner {
    max-width: 1200px; margin: 0 auto;
}
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}
.skill-group {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.07);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: border-color var(--trans), background var(--trans);
}
.skill-group:hover {
    background: rgba(255,255,255,.06);
    border-color: rgba(255,255,255,.12);
}
.skill-group h3 {
    font-size: .9rem; font-weight: 700; color: #fff;
    display: flex; align-items: center; gap: .625rem;
    margin-bottom: 1.5rem;
}
.skill-group h3 i { color: var(--cyan); font-size: .85rem; }
.skill-row { margin-bottom: 1.1rem; }
.skill-row span {
    display: block; font-size: .8rem; font-weight: 500;
    color: rgba(255,255,255,.65); margin-bottom: .4rem;
}
.progress-bar {
    width: 100%; height: 5px;
    background: rgba(255,255,255,.07);
    border-radius: 50px; overflow: hidden;
}
.progress-bar-fill {
    height: 100%; width: 0%;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    border-radius: 50px;
    transition: width 1.4s cubic-bezier(.4,0,.2,1);
    position: relative;
}
.progress-bar-fill::after {
    content: '';
    position: absolute; right: 0; top: -2px;
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 8px var(--cyan);
}

/* =============================================
   PROJECTS
   ============================================= */
#projects {
    max-width: 1200px; margin: 0 auto;
    padding: 5rem 2rem;
}
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}
.project-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    position: relative; overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--trans), border-color var(--trans), transform .15s var(--ease);
    cursor: default;
}
.project-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: color-mix(in srgb, var(--card-color, var(--blue)) 40%, transparent);
}
.card-top-bar {
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--card-color, var(--blue));
}
.project-card-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 1rem;
}
.project-icon-wrap {
    width: 46px; height: 46px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    background: color-mix(in srgb, var(--card-color, var(--blue)) 12%, white);
    color: var(--card-color, var(--blue));
}
.project-link-icon {
    color: var(--muted); font-size: .95rem;
    transition: color var(--trans), transform var(--trans);
}
.project-link-icon:hover { color: var(--card-color, var(--blue)); transform: translateY(-2px); }
.project-card h3 {
    font-size: 1.1rem; font-weight: 700; color: var(--dark);
    margin-bottom: .5rem;
}
.project-card p {
    font-size: .855rem; color: var(--muted);
    line-height: 1.75; margin-bottom: 1.25rem;
}
.project-tech { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: 1rem; }
.project-tech span {
    font-family: 'JetBrains Mono', monospace;
    font-size: .68rem; font-weight: 500;
    background: #f1f5f9; color: var(--slate);
    border: 1px solid var(--border);
    padding: .18rem .6rem; border-radius: 4px;
}
.project-status-badge {
    font-size: .75rem; color: var(--muted); font-weight: 500;
}
.project-status-badge i { margin-right: .3rem; font-size: .6rem; }
.project-status-badge.live { color: var(--green); }
.project-status-badge.live i { font-size: .55rem; color: var(--green); }

/* =============================================
   CERTIFICATIONS
   ============================================= */
#certifications {
    background: linear-gradient(160deg, #f0f7ff 0%, #f8fafc 60%);
    padding: 5rem 2rem;
}
#certifications .section-label,
#certifications .section-title {
    max-width: 1000px; margin-left: auto; margin-right: auto;
}
#certifications .section-title { margin-bottom: 2.5rem; }
.cert-row {
    display: flex; justify-content: center;
    max-width: 1000px; margin: 0 auto;
}
.cert-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem; display: flex; gap: 2rem; align-items: flex-start;
    box-shadow: var(--shadow);
    max-width: 660px; width: 100%;
    transition: box-shadow var(--trans), border-color var(--trans), transform .15s var(--ease);
}
.cert-card:hover { box-shadow: var(--shadow-xl); border-color: rgba(37,99,235,.3); }
.cert-icon-wrap {
    flex-shrink: 0;
    width: 80px; height: 80px; border-radius: 18px;
    background: linear-gradient(135deg, #0070d2, #1547a4);
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem; color: #fff;
    box-shadow: 0 8px 24px rgba(0,112,210,.3);
}
.cert-issuer {
    font-size: .75rem; font-weight: 700;
    letter-spacing: .08em; text-transform: uppercase;
    color: var(--muted); margin-bottom: .25rem;
}
.cert-body h3 { font-size: 1.2rem; font-weight: 800; color: var(--dark); margin-bottom: .1rem; }
.cert-body h4 { font-size: 1rem; font-weight: 600; color: var(--blue); margin-bottom: .625rem; }
.cert-meta {
    font-size: .8rem; color: var(--muted); margin-bottom: .875rem;
}
.cert-meta i { margin-right: .3rem; }
.cert-desc { font-size: .855rem; color: var(--muted); line-height: 1.7; }

/* =============================================
   EDUCATION
   ============================================= */
#education {
    max-width: 1100px; margin: 0 auto;
    padding: 5rem 2rem;
}
.edu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
}
.edu-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem; position: relative; overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--trans), transform .15s var(--ease);
}
.edu-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, var(--blue), var(--violet));
}
.edu-card:hover { box-shadow: var(--shadow-lg); }
.edu-year-badge {
    display: inline-block;
    font-size: .72rem; font-weight: 700;
    letter-spacing: .06em; text-transform: uppercase;
    color: var(--blue); margin-bottom: .625rem;
    background: #eff6ff; padding: .2rem .75rem;
    border-radius: 50px; border: 1px solid #bfdbfe;
}
.edu-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--dark); margin-bottom: .2rem; }
.edu-school { font-size: .9rem; font-weight: 600; color: var(--blue); margin-bottom: .2rem; }
.edu-loc { font-size: .78rem; color: var(--muted); margin-bottom: 1.25rem; }
.edu-loc i { margin-right: .3rem; }
.edu-stats-row {
    display: flex; gap: 1.5rem; margin-bottom: 1.25rem;
    background: var(--bg); border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
}
.edu-stat strong { display: block; font-size: 1.4rem; font-weight: 900; color: var(--dark); }
.edu-stat span { font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.edu-subjects { font-size: .84rem; color: var(--muted); line-height: 1.7; }
.edu-subjects strong { color: var(--dark); }

/* =============================================
   INTERNATIONAL  (full-bleed gradient)
   ============================================= */
#international {
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    padding: 5rem 2rem;
}
.intl-inner { max-width: 1100px; margin: 0 auto; }
.intl-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}
.intl-card {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.09);
    border-radius: var(--radius);
    padding: 2rem; text-align: center;
    transition: var(--trans);
}
.intl-card:hover {
    background: rgba(255,255,255,.09);
    border-color: rgba(255,255,255,.18);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,.3);
}
.intl-icon {
    width: 60px; height: 60px; border-radius: 16px; margin: 0 auto 1.25rem;
    background: linear-gradient(135deg, var(--blue), var(--violet));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: #fff;
    box-shadow: 0 8px 20px rgba(37,99,235,.35);
}
.intl-card h3 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: .625rem; }
.intl-card p { font-size: .855rem; color: rgba(255,255,255,.55); line-height: 1.75; }

/* =============================================
   BACK TO TOP
   ============================================= */
.back-to-top {
    position: fixed; bottom: 2rem; right: 2rem;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--blue); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: .9rem;
    box-shadow: 0 4px 16px rgba(37,99,235,.4);
    opacity: 0; pointer-events: none; transform: translateY(8px);
    transition: opacity var(--trans), transform var(--trans), background var(--trans);
    z-index: 90;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { background: var(--blue-d); transform: translateY(-2px); }

/* =============================================
   FOOTER
   ============================================= */
footer {
    background: var(--dark);
    padding: 5rem 2rem 2rem;
}
.footer-inner {
    max-width: 560px; margin: 0 auto;
    text-align: center; padding-bottom: 3rem;
}
.footer-inner h2 {
    font-size: clamp(1.6rem, 4vw, 2.25rem);
    font-weight: 900; color: #fff;
    letter-spacing: -.02em; margin-bottom: .625rem;
}
.footer-inner > p { color: rgba(255,255,255,.45); margin-bottom: 2rem; }
.footer-contacts {
    display: flex; justify-content: center; gap: 2rem;
    flex-wrap: wrap; margin-bottom: 2rem;
}
.footer-contacts a {
    font-size: .875rem; color: rgba(255,255,255,.6);
    display: flex; align-items: center; gap: .5rem;
    transition: color var(--trans);
}
.footer-contacts a:hover { color: var(--cyan); }
.footer-socials { display: flex; justify-content: center; gap: .875rem; }
.footer-socials a {
    width: 46px; height: 46px; border-radius: 50%;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,.6); font-size: 1rem;
    transition: var(--trans);
}
.footer-socials a:hover {
    background: var(--blue); border-color: var(--blue); color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(37,99,235,.35);
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.07);
    padding-top: 1.5rem; text-align: center;
}
.footer-bottom p { font-size: .78rem; color: rgba(255,255,255,.25); margin-bottom: .2rem; }

/* View counter */
view-counter {
    position: fixed; bottom: 2rem; left: 2rem;
    background: rgba(15,23,42,.85);
    backdrop-filter: blur(12px);
    color: rgba(255,255,255,.6);
    padding: .35rem .875rem; border-radius: 50px;
    font-size: .72rem;
    border: 1px solid rgba(255,255,255,.08);
    z-index: 90;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
    .about-grid { grid-template-columns: 1fr; }
    .about-photo-col { display: flex; flex-direction: column; align-items: center; }
    .photo-wrap { width: 200px; }
    .photo-wrap img { aspect-ratio: 1; }
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }

    .hero-stats { gap: 0; }
    .stat-item { padding: .5rem 1.25rem; }

    .tl-header { flex-direction: column; gap: .5rem; }
    .recommendation { padding: 2rem 1.5rem; }

    .cert-card { flex-direction: column; gap: 1.25rem; }

    .edu-stats-row { flex-wrap: wrap; gap: 1rem; }

    #about,
    #experience,
    #projects,
    #education { padding-left: 1.25rem; padding-right: 1.25rem; }
    #skills, #international { padding-left: 1.25rem; padding-right: 1.25rem; }
}
@media (max-width: 480px) {
    .hero-stats { flex-direction: row; flex-wrap: wrap; justify-content: center; }
    .stat-divider { display: none; }
    .stat-item { padding: .5rem 1rem; }
    .hero-name { font-size: 2.2rem; }
    .projects-grid { grid-template-columns: 1fr; }
}