/* ===================================================================
   sathish.tech — Main Stylesheet
   =================================================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #1a1a2e;
    background: #ffffff;
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ----- CSS Custom Properties ----- */
:root {
    --dark: #0d1117;
    --dark-surface: #161b22;
    --dark-border: rgba(255, 255, 255, 0.08);

    --primary: #2563eb;
    --primary-lt: #3b82f6;
    --primary-dk: #1d4ed8;
    --accent: #06b6d4;

    --text-dark: #0f172a;
    --text-body: #334155;
    --text-muted: #64748b;
    --text-light: #94a3b8;

    --light-bg: #f8fafc;
    --white: #ffffff;
    --border: #e2e8f0;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .08), 0 2px 4px -2px rgba(0, 0, 0, .06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .06);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .08);

    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

/* ----- Typography ----- */
h1,
h2,
h3,
h4 {
    font-family: 'Poppins', sans-serif;
    line-height: 1.2;
    font-weight: 700;
}

p {
    line-height: 1.75;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ----- Layout ----- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}


/* =================================================================
   NAVIGATION
   ================================================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.375rem 0;
    transition: background 0.35s ease, padding 0.35s ease, box-shadow 0.35s ease;
}

.navbar.scrolled {
    background: rgba(13, 17, 23, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 0.9rem 0;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.nav-brand {
    font-family: 'Poppins', sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.brand-accent {
    color: var(--accent);
}

.brand-tld {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #fff;
}

.nav-cta {
    background: var(--primary) !important;
    color: #fff !important;
    padding: 0.5rem 1.25rem !important;
    border-radius: 8px;
    font-weight: 600 !important;
    transition: background 0.2s, transform 0.15s !important;
}

.nav-cta:hover {
    background: var(--primary-dk) !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.375rem;
    border-radius: 6px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 2px;
    transition: all 0.3s;
}

.nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* =================================================================
   HERO
   ================================================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--dark);
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 55% at 50% -5%, rgba(37, 99, 235, 0.28) 0%, transparent 62%),
        radial-gradient(ellipse 45% 45% at 92% 85%, rgba(6, 182, 212, 0.12) 0%, transparent 55%);
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 44px 44px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 8rem 1.5rem 5rem;
    max-width: 920px;
}

.hero-greeting {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1.125rem;
}

.hero-name {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2.75rem, 6.5vw, 5.25rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.03;
    margin-bottom: 1.125rem;
    letter-spacing: -0.02em;
}

.hero-title {
    font-size: clamp(1rem, 2.4vw, 1.35rem);
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 0.6rem;
}

.hero-tagline {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.38);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 1.75rem;
}

.hero-description {
    font-size: 1.025rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 575px;
    margin-bottom: 2.5rem;
    line-height: 1.82;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 10px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    line-height: 1;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dk);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.45);
}

.btn-outline {
    background: transparent;
    color: rgba(255, 255, 255, 0.88);
    border: 1.5px solid rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
    border-color: rgba(255, 255, 255, 0.65);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.btn-schedule {
    background: rgba(6, 182, 212, 0.08);
    color: #06b6d4;
    border: 1.5px solid rgba(6, 182, 212, 0.35);
}

.btn-schedule:hover {
    background: rgba(6, 182, 212, 0.15);
    border-color: rgba(6, 182, 212, 0.65);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(6, 182, 212, 0.18);
}

/* ----- Hero Badges ----- */
.hero-badges {
    display: flex;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.65);
    padding: 0.35rem 0.95rem;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

/* ----- Hero Scroll Indicator ----- */
.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    pointer-events: none;
}

.hero-scroll span {
    color: rgba(255, 255, 255, 0.25);
    font-size: 0.65rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    writing-mode: vertical-rl;
}

.scroll-line {
    width: 1px;
    height: 56px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.3), transparent);
    animation: scrollPulse 1.8s ease-in-out infinite;
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0.25;
    }

    50% {
        opacity: 1;
    }
}


/* =================================================================
   SECTION HEADER
   ================================================================= */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 0.875rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    color: var(--text-dark);
    margin-bottom: 1.125rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 540px;
    margin: 0 auto;
}

/* Light variants for dark sections */
.section-label--light {
    color: var(--accent);
}

.section-title--light {
    color: #fff;
}

.section-subtitle--light {
    color: rgba(255, 255, 255, 0.55);
}


/* =================================================================
   ABOUT
   ================================================================= */
.about {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4.5rem;
    align-items: start;
}

.about-lead {
    font-size: 1.1rem !important;
    font-weight: 500;
    color: var(--text-dark) !important;
    line-height: 1.72 !important;
    margin-bottom: 1.375rem !important;
}

.about-text p {
    color: var(--text-body);
    margin-bottom: 1.25rem;
    font-size: 0.98rem;
}

.about-text p strong {
    color: var(--text-dark);
}

.about-text p:last-of-type {
    margin-bottom: 0;
}

.about-stats {
    display: flex;
    gap: 2.5rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

.stat-number {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 2.125rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.toptal-badge-wrap {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.toptal-badge-wrap::before {
    content: 'Verified Top 3% Global Talent';
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    line-height: 1.5;
    max-width: 110px;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.125rem;
}

.highlight-card {
    background: var(--light-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: border-color 0.22s, box-shadow 0.22s, transform 0.22s;
}

.highlight-card:hover {
    border-color: var(--primary-lt);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.highlight-icon {
    font-size: 1.875rem;
    margin-bottom: 0.875rem;
    line-height: 1;
}

.highlight-card h3 {
    font-size: 0.925rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.highlight-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
}


/* =================================================================
   SERVICES
   ================================================================= */
.services {
    background: var(--light-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.375rem;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    border-color: var(--primary-lt);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.service-card--featured {
    border-color: var(--primary);
    background: linear-gradient(145deg, #fff 60%, #eff6ff);
}

.service-card--featured:hover {
    border-color: var(--primary-dk);
}

.service-badge {
    position: absolute;
    top: 1.125rem;
    right: 1.25rem;
    background: var(--primary);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.22rem 0.6rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

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

.service-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.service-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    line-height: 1.72;
}

.service-points li {
    font-size: 0.838rem;
    color: var(--text-muted);
    padding: 0.3rem 0 0.3rem 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-points li::before {
    content: '→';
    color: var(--primary);
    font-size: 0.78rem;
    flex-shrink: 0;
}

.service-points li:last-child {
    border-bottom: none;
}


/* =================================================================
   EXPERIENCE / TIMELINE
   ================================================================= */
.experience {
    background: var(--white);
}

.timeline {
    position: relative;
    max-width: 880px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 10px;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    padding-left: 3.75rem;
    margin-bottom: 2.75rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.marker-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--border);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 2px var(--border);
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.marker-dot--current {
    background: var(--primary);
    box-shadow: 0 0 0 2px var(--primary), 0 0 16px rgba(37, 99, 235, 0.45);
}

.marker-now {
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    white-space: nowrap;
}

.timeline-card {
    background: var(--light-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: border-color 0.2s;
}

.timeline-item--current .timeline-card {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--white), #eff6ff);
}

.timeline-card:hover {
    border-color: var(--primary-lt);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.85rem;
}

.timeline-role {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.timeline-org {
    font-size: 0.84rem;
    color: var(--primary);
    font-weight: 600;
}

.sep {
    color: var(--text-light);
    margin: 0 0.2rem;
}

.timeline-duration {
    font-size: 0.775rem;
    color: var(--text-muted);
    white-space: nowrap;
    background: var(--white);
    border: 1px solid var(--border);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    flex-shrink: 0;
    font-weight: 500;
}

.timeline-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.timeline-points {
    margin-bottom: 1.25rem;
}

.timeline-points li {
    font-size: 0.84rem;
    color: var(--text-body);
    padding: 0.22rem 0 0.22rem 1.375rem;
    position: relative;
    line-height: 1.65;
}

.timeline-points li::before {
    content: '▪';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 0.9em;
}

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

.timeline-tags span {
    background: var(--white);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.74rem;
    padding: 0.2rem 0.65rem;
    border-radius: 20px;
    font-weight: 500;
}


/* =================================================================
   SKILLS
   ================================================================= */
.skills {
    background: var(--light-bg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.375rem;
}

.skill-category {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: border-color 0.22s, box-shadow 0.22s, transform 0.22s;
}

.skill-category:hover {
    border-color: var(--primary-lt);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.skill-cat-title {
    font-size: 0.925rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cat-icon {
    font-size: 1rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tags span {
    background: var(--light-bg);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    cursor: default;
    transition: background 0.18s, border-color 0.18s, color 0.18s;
}

.skill-tags span:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}


/* =================================================================
   CONTACT
   ================================================================= */
.contact {
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.contact-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 65% 55% at 50% 110%, rgba(37, 99, 235, 0.18) 0%, transparent 60%);
    pointer-events: none;
}

.contact-inner {
    position: relative;
    z-index: 1;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 4.5rem;
    align-items: start;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-icon-wrap {
    font-size: 1.375rem;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    flex-shrink: 0;
}

.contact-label {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.38);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.contact-value {
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.93rem;
    font-weight: 500;
    transition: color 0.2s;
    word-break: break-word;
}

a.contact-value:hover {
    color: var(--accent);
}

/* Cal.com booking button — styled to match contact links */
button.cal-book-btn {
    background: none;
    border: none;
    padding: 0;
    font-family: 'Inter', sans-serif;
    font-size: 0.93rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.82);
    cursor: pointer;
    text-align: left;
    transition: color 0.2s;
    display: block;
}

button.cal-book-btn:hover {
    color: var(--accent);
}

.contact-availability {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.975rem 1.125rem;
    background: rgba(34, 197, 94, 0.07);
    border: 1px solid rgba(34, 197, 94, 0.22);
    border-radius: 10px;
    margin: 1.5rem 0;
}

.avail-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #22c55e;
    flex-shrink: 0;
    animation: availPulse 2.2s ease-in-out infinite;
}

@keyframes availPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
    }

    60% {
        box-shadow: 0 0 0 7px rgba(34, 197, 94, 0);
    }
}

.contact-availability p {
    font-size: 0.845rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.45;
}

.contact-cta-cards {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.cta-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 10px;
    padding: 0.875rem 1.25rem;
    transition: border-color 0.2s;
}

.cta-card:hover {
    border-color: rgba(255, 255, 255, 0.14);
}

.cta-card strong {
    display: block;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.875rem;
    margin-bottom: 0.2rem;
}

.cta-card p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.45;
}

/* ----- Contact Form ----- */
.contact-form-wrap {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    padding: 0.78rem 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.2s;
    outline: none;
    width: 100%;
    appearance: none;
    -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.22);
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(255,255,255,0.35)' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-group select option {
    background: #1a1f2e;
    color: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-lt);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 116px;
}

.btn-submit {
    background: var(--primary);
    color: #fff;
    padding: 0.9rem;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    width: 100%;
    border: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.18s, box-shadow 0.2s;
    letter-spacing: 0.01em;
}

.btn-submit:hover:not(:disabled) {
    background: var(--primary-dk);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.45);
}

.btn-submit:disabled {
    cursor: not-allowed;
    opacity: 0.75;
}

.form-note {
    font-size: 0.84rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.55);
    min-height: 1.25rem;
}

.form-note.success {
    color: #4ade80;
}

.form-note.error {
    color: #f87171;
}


/* =================================================================
   FOOTER
   ================================================================= */
.footer {
    background: #080c12;
    padding: 2.75rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.045);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.375rem;
    text-align: center;
}

.footer-brand .nav-brand {
    font-size: 1.2rem;
    display: inline-block;
    margin-bottom: 0.3rem;
}

.footer-brand p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.38);
    transition: color 0.2s;
}

.footer-links a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.footer-copy {
    font-size: 0.775rem;
    color: rgba(255, 255, 255, 0.22);
}


/* =================================================================
   SCROLL ANIMATIONS
   ================================================================= */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}


/* =================================================================
   RESPONSIVE — 1024px
   ================================================================= */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

/* =================================================================
   RESPONSIVE — 768px
   ================================================================= */
@media (max-width: 768px) {
    .section {
        padding: 4.5rem 0;
    }

    /* Nav */
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 14, 20, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        align-items: flex-start;
        padding: 1.5rem;
        gap: 1.375rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        font-size: 1rem;
    }

    .nav-cta {
        display: block;
        text-align: center;
    }

    /* Hero */
    .hero {
        align-items: flex-start;
        padding-top: 4.75rem;
    }

    .hero-content {
        padding: 1.5rem 1.125rem 3rem;
    }

    .hero-actions {
        flex-direction: column;
        max-width: 280px;
    }

    .btn {
        justify-content: center;
    }

    .hero-scroll {
        display: none;
    }

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

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

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.75rem;
    }

    /* Stats */
    .about-stats {
        flex-wrap: wrap;
        gap: 1.75rem;
    }

    /* Timeline */
    .timeline::before {
        left: 11px;
    }

    .timeline-item {
        padding-left: 3rem;
    }

    .marker-dot {
        width: 12px;
        height: 12px;
    }

    .timeline-header {
        flex-direction: column;
        gap: 0.5rem;
    }

    .timeline-duration {
        align-self: flex-start;
    }

    /* Contact form */
    .contact-form-wrap {
        padding: 1.625rem;
    }
}

/* =================================================================
   RESPONSIVE — 480px
   ================================================================= */
@media (max-width: 480px) {
    .container {
        padding: 0 1.125rem;
    }

    .hero-name {
        font-size: 2.5rem;
    }

    .hero-badges {
        gap: 0.5rem;
    }

    .footer-links {
        gap: 1.125rem;
    }

    .about-stats {
        gap: 1.375rem;
    }
}