/* ═══════════════════════════════════════════
   Lynda Chiwetelu — Portfolio
   Theme: Teal · Orange · Black
   ═══════════════════════════════════════════ */

/* ─── Variables ─── */
:root {
    --black:          #0a0a0a;
    --dark:           #111111;
    --dark-surface:   #141414;
    --dark-card:      #181818;
    --teal:           #0fb8ad;
    --teal-dark:      #0a9990;
    --teal-glow:      rgba(15, 184, 173, 0.12);
    --teal-border:    rgba(15, 184, 173, 0.25);
    --orange:         #f97316;
    --orange-light:   #fb923c;
    --orange-glow:    rgba(249, 115, 22, 0.1);
    --orange-border:  rgba(249, 115, 22, 0.25);
    --white:          #fafaf7;
    --gray:           #5a5a6a;
    --gray-mid:       #7a7a8a;
    --gray-light:     #9a9aaa;
    --border:         rgba(255, 255, 255, 0.07);
    --border-hover:   rgba(255, 255, 255, 0.14);

    --font-display:   'Playfair Display', Georgia, serif;
    --font-body:      'DM Sans', system-ui, -apple-system, sans-serif;

    --radius:         6px;
    --radius-sm:      3px;
    --transition:     0.25s ease;
}

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

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

body {
    background-color: var(--black);
    color: var(--white);
    font-family: var(--font-body);
    line-height: 1.65;
    overflow-x: hidden;
}

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

ul { list-style: none; }

/* ─── Custom Scrollbar ─── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--teal); border-radius: 2px; }

/* ─── Container ─── */
.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ════════════════════════════════════════
   NAVIGATION
   ════════════════════════════════════════ */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 3rem;
    background: rgba(10, 10, 10, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition), border-color var(--transition);
}

.nav.scrolled {
    background: rgba(10, 10, 10, 0.96);
    border-bottom-color: rgba(255,255,255,0.1);
}

.nav__logo {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--teal);
    letter-spacing: 0.06em;
    cursor: default;
    user-select: none;
}

.nav__links {
    display: flex;
    gap: 2.5rem;
}

.nav__links a {
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray-light);
    position: relative;
    transition: color var(--transition);
}

.nav__links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 1px;
    background: var(--teal);
    transition: width 0.3s ease;
}

.nav__links a:hover { color: var(--white); }
.nav__links a:hover::after { width: 100%; }

.nav__mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav__mobile-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--gray-light);
    border-radius: 1px;
    transition: all 0.3s ease;
}

/* ════════════════════════════════════════
   SECTION LABEL
   ════════════════════════════════════════ */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 1.5rem;
}

.section-label__icon { font-size: 0.85rem; }

/* ════════════════════════════════════════
   BUTTONS
   ════════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.6rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--teal);
    color: var(--black);
}

.btn--primary:hover {
    background: var(--teal-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15, 184, 173, 0.25);
}

.btn--outline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn--outline:hover {
    border-color: var(--orange);
    color: var(--orange);
    transform: translateY(-2px);
}

/* ════════════════════════════════════════
   TAGS / PILLS
   ════════════════════════════════════════ */
.tag {
    display: inline-block;
    padding: 0.28rem 0.7rem;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.05);
    color: var(--gray-light);
    border: 1px solid var(--border);
    transition: all var(--transition);
    cursor: default;
    user-select: none;
}

.tag:hover {
    background: rgba(255, 255, 255, 0.09);
    color: var(--white);
    border-color: var(--border-hover);
}

.tag--primary {
    background: var(--teal-glow);
    color: var(--teal);
    border-color: var(--teal-border);
}

.tag--primary:hover {
    background: rgba(15, 184, 173, 0.2);
}

.tag--accent {
    background: var(--orange-glow);
    color: var(--orange-light);
    border-color: var(--orange-border);
}

.tag--accent:hover {
    background: rgba(249, 115, 22, 0.18);
}

.tag--small {
    padding: 0.18rem 0.5rem;
    font-size: 0.7rem;
}

/* ════════════════════════════════════════
   FADE-UP ANIMATION
   ════════════════════════════════════════ */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.65s ease var(--delay, 0s),
                transform 0.65s ease var(--delay, 0s);
}

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

/* ════════════════════════════════════════
   HERO
   ════════════════════════════════════════ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8rem 3rem 5rem;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 60% 60% at 10% 60%, rgba(15, 184, 173, 0.07) 0%, transparent 70%),
        radial-gradient(ellipse 50% 50% at 85% 15%, rgba(249, 115, 22, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 75% 85%, rgba(15, 184, 173, 0.04) 0%, transparent 50%),
        var(--black);
}

/* Subtle dot grid */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.025) 1px, transparent 0);
    background-size: 44px 44px;
    pointer-events: none;
    z-index: 0;
}

/* Decorative floating symbols */
.hero__bg-decoration {
    position: absolute;
    user-select: none;
    pointer-events: none;
    font-weight: 900;
    z-index: 0;
    animation: float var(--float-duration, 10s) ease-in-out infinite;
    animation-delay: var(--float-delay, 0s);
}

.hero__bg-decoration--1 {
    top: 14%;
    right: 8%;
    font-size: clamp(6rem, 12vw, 14rem);
    color: var(--teal);
    opacity: 0.04;
    --float-duration: 12s;
    --float-delay: 0s;
}

.hero__bg-decoration--2 {
    bottom: 22%;
    right: 20%;
    font-size: clamp(3rem, 6vw, 7rem);
    color: var(--orange);
    opacity: 0.05;
    --float-duration: 9s;
    --float-delay: 3s;
}

.hero__bg-decoration--3 {
    top: 60%;
    left: 5%;
    font-size: clamp(2rem, 4vw, 5rem);
    color: var(--teal);
    opacity: 0.04;
    --float-duration: 14s;
    --float-delay: 6s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33%  { transform: translateY(-16px) rotate(3deg); }
    66%  { transform: translateY(8px) rotate(-2deg); }
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 880px;
}

.hero__eyebrow {
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 0.9rem;
    opacity: 0;
    animation: fadeSlideUp 0.7s ease 0.2s forwards;
}

.hero__name {
    font-family: var(--font-display);
    line-height: 0.92;
    margin-bottom: 1.6rem;
    display: block;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease 0.4s forwards;
}

.hero__name--first {
    display: block;
    font-size: clamp(4.5rem, 10.5vw, 9rem);
    font-weight: 900;
    color: var(--white);
    letter-spacing: -0.02em;
}

.hero__name--last {
    display: block;
    font-size: clamp(4rem, 9.5vw, 8rem);
    font-weight: 400;
    font-style: italic;
    color: var(--teal);
    letter-spacing: -0.02em;
}

.hero__title {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gray-mid);
    margin-bottom: 0.8rem;
    opacity: 0;
    animation: fadeSlideUp 0.7s ease 0.6s forwards;
}

.hero__tagline {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--gray-light);
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: fadeSlideUp 0.7s ease 0.75s forwards;
}

.hero__tagline em {
    color: var(--orange-light);
    font-style: italic;
}

.hero__cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeSlideUp 0.7s ease 0.9s forwards;
}

.hero__stats {
    display: flex;
    gap: 3.5rem;
    margin-top: 5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 1;
    opacity: 0;
    animation: fadeSlideUp 0.7s ease 1.1s forwards;
}

.hero__stat {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.hero__stat-number {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--teal);
    line-height: 1;
    letter-spacing: -0.02em;
}

.hero__stat-label {
    font-size: 0.72rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 500;
}

.hero__scroll {
    position: absolute;
    bottom: 2.5rem;
    right: 3rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray);
    writing-mode: vertical-rl;
    z-index: 1;
    opacity: 0;
    animation: fadeIn 1s ease 1.4s forwards;
}

.hero__scroll-line {
    width: 1px;
    height: 55px;
    background: linear-gradient(to bottom, var(--teal), transparent);
    animation: pulse-line 2.5s ease-in-out infinite;
}

@keyframes pulse-line {
    0%, 100% { opacity: 0.4; transform: scaleY(0.6); }
    50%       { opacity: 1;   transform: scaleY(1); }
}

@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ════════════════════════════════════════
   ABOUT
   ════════════════════════════════════════ */
.about {
    padding: 8rem 0;
    border-top: 1px solid var(--border);
}

.about__heading {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5.5vw, 4.2rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.about__heading em {
    color: var(--teal);
    font-style: italic;
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.about__bio {
    font-size: 1.02rem;
    color: rgba(250, 250, 247, 0.72);
    line-height: 1.85;
    margin-bottom: 1.2rem;
}

.about__contact-links {
    margin-top: 2rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.about__contact-links a {
    color: var(--teal);
    font-size: 0.88rem;
    font-weight: 500;
    transition: color var(--transition);
    border-bottom: 1px solid transparent;
    padding-bottom: 1px;
}

.about__contact-links a:hover {
    color: var(--orange);
    border-bottom-color: var(--orange);
}

.about__divider { color: var(--gray); }

.about__highlights {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.about__highlight {
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
    padding: 1.4rem 1.6rem;
    background: var(--dark-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.about__highlight:hover {
    border-color: var(--teal-border);
    transform: translateX(5px);
    box-shadow: -3px 0 20px rgba(15, 184, 173, 0.07);
}

.about__highlight-icon {
    font-size: 1.6rem;
    flex-shrink: 0;
    line-height: 1;
    margin-top: 2px;
}

.about__highlight h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.3rem;
    letter-spacing: 0.01em;
}

.about__highlight p {
    font-size: 0.845rem;
    color: var(--gray-light);
    line-height: 1.6;
}

/* ════════════════════════════════════════
   Q&A
   ════════════════════════════════════════ */
.qa {
    padding: 8rem 0;
    background: var(--dark-surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.qa__heading {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5.5vw, 4.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.6rem;
}

.qa__heading em {
    color: var(--orange-light);
    font-style: italic;
}

.qa__subheading {
    font-size: 0.95rem;
    color: var(--gray-mid);
    margin-bottom: 3.5rem;
}

.qa__list {
    display: flex;
    flex-direction: column;
}

.qa__item {
    border-top: 1px solid var(--border);
    transition: border-color var(--transition);
}

.qa__item:last-child { border-bottom: 1px solid var(--border); }

.qa__item.open { border-top-color: var(--teal-border); }

.qa__question {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 1.1rem;
    padding: 1.4rem 0;
    background: none;
    border: none;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: color var(--transition);
}

.qa__question:hover { color: var(--teal); }

.qa__q-icon {
    width: 1.9rem;
    height: 1.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--teal-glow);
    color: var(--teal);
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
    border: 1px solid var(--teal-border);
    letter-spacing: 0;
    transition: background var(--transition);
}

.qa__item.open .qa__q-icon {
    background: rgba(15, 184, 173, 0.2);
}

.qa__toggle {
    margin-left: auto;
    font-size: 1.4rem;
    color: var(--teal);
    transition: transform 0.35s ease;
    line-height: 1;
    font-weight: 300;
    flex-shrink: 0;
}

.qa__item.open .qa__toggle { transform: rotate(45deg); }

.qa__answer {
    display: flex;
    gap: 1.1rem;
    padding-bottom: 0;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.45s ease, opacity 0.35s ease, padding-bottom 0.35s ease;
}

.qa__item.open .qa__answer {
    max-height: 400px;
    opacity: 1;
    padding-bottom: 1.75rem;
}

.qa__a-icon {
    width: 1.9rem;
    height: 1.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--orange-glow);
    color: var(--orange-light);
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
    border: 1px solid var(--orange-border);
    letter-spacing: 0;
    margin-top: 2px;
}

.qa__answer p {
    font-size: 0.935rem;
    color: rgba(250, 250, 247, 0.72);
    line-height: 1.85;
}

.qa__answer strong {
    color: var(--white);
    font-weight: 600;
}

/* ════════════════════════════════════════
   SKILLS
   ════════════════════════════════════════ */
.skills {
    padding: 8rem 0;
    border-top: 1px solid var(--border);
}

.skills__heading {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5.5vw, 4.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 3.5rem;
}

.skills__heading em {
    color: var(--teal);
    font-style: italic;
}

.skills__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem 3rem;
}

.skills__cat-title {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.17em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 0.9rem;
}

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

/* ════════════════════════════════════════
   EXPERIENCE
   ════════════════════════════════════════ */
.experience {
    padding: 8rem 0;
    background: var(--dark-surface);
    border-top: 1px solid var(--border);
}

.experience__heading {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5.5vw, 4.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 4rem;
}

.experience__heading em {
    color: var(--orange-light);
    font-style: italic;
}

.timeline {
    position: relative;
    padding-left: 1.75rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--teal), rgba(15, 184, 173, 0.15), transparent);
}

.timeline__item {
    position: relative;
    padding-bottom: 2.5rem;
}

.timeline__item:last-child { padding-bottom: 0; }

.timeline__marker {
    position: absolute;
    left: -2.22rem;
    top: 10px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--teal);
    border: 2px solid var(--dark-surface);
    box-shadow: 0 0 0 3px rgba(15, 184, 173, 0.18), 0 0 12px rgba(15, 184, 173, 0.3);
    transition: box-shadow var(--transition);
}

.timeline__item:hover .timeline__marker {
    box-shadow: 0 0 0 4px rgba(15, 184, 173, 0.3), 0 0 20px rgba(15, 184, 173, 0.4);
}

.timeline__card {
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.6rem 1.75rem;
    margin-left: 0.75rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.timeline__card:hover {
    border-color: var(--teal-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3), inset 0 0 0 1px rgba(15, 184, 173, 0.06);
}

.timeline__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.9rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.timeline__role {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.2rem;
    letter-spacing: 0.01em;
}

.timeline__company {
    font-size: 0.875rem;
    color: var(--teal);
    font-weight: 500;
}

.timeline__date {
    font-size: 0.75rem;
    color: var(--gray);
    white-space: nowrap;
    letter-spacing: 0.04em;
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.timeline__tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 1rem;
}

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

.timeline__bullets li {
    font-size: 0.855rem;
    color: rgba(250, 250, 247, 0.62);
    padding-left: 1.1rem;
    position: relative;
    line-height: 1.65;
}

.timeline__bullets li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--orange);
    font-size: 0.75rem;
    top: 1px;
}

/* ─── Current role ─── */
.timeline__marker--current {
    background: var(--orange);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2), 0 0 14px rgba(249, 115, 22, 0.4);
    animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2), 0 0 14px rgba(249, 115, 22, 0.3); }
    50%       { box-shadow: 0 0 0 5px rgba(249, 115, 22, 0.15), 0 0 22px rgba(249, 115, 22, 0.5); }
}

.timeline__card--current {
    border-color: var(--orange-border);
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.04) 0%, var(--dark-card) 60%);
}

.timeline__card--current:hover {
    border-color: var(--orange-light);
    box-shadow: 0 4px 30px rgba(249, 115, 22, 0.08);
}

.timeline__now {
    color: var(--orange-light);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.68rem;
}

.timeline__focus {
    color: var(--gray-mid);
    font-weight: 400;
    font-size: 0.9rem;
}

/* ════════════════════════════════════════
   EDUCATION
   ════════════════════════════════════════ */
.education {
    padding: 8rem 0;
    border-top: 1px solid var(--border);
}

.education__card {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    background: var(--dark-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.25rem 2.5rem;
    max-width: 580px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.education__card:hover {
    border-color: var(--teal-border);
    box-shadow: 0 8px 40px rgba(15, 184, 173, 0.06);
}

.education__icon {
    font-size: 2.25rem;
    flex-shrink: 0;
    line-height: 1;
    margin-top: 2px;
}

.education__content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    letter-spacing: -0.01em;
}

.education__degree {
    color: var(--teal);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.education__years {
    font-size: 0.78rem;
    color: var(--gray);
    margin-bottom: 0.75rem;
    letter-spacing: 0.05em;
}

.education__note {
    font-size: 0.855rem;
    color: rgba(250, 250, 247, 0.55);
    line-height: 1.7;
}

/* ════════════════════════════════════════
   FOOTER / CONTACT
   ════════════════════════════════════════ */
.footer {
    padding: 6rem 0 3rem;
    background: var(--dark-surface);
    border-top: 1px solid var(--border);
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 3rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.footer__heading h2 {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 0.7rem;
    letter-spacing: -0.02em;
}

.footer__heading h2 em {
    color: var(--teal);
    font-style: italic;
}

.footer__heading p {
    color: var(--gray-mid);
    font-size: 0.92rem;
    max-width: 400px;
    line-height: 1.7;
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-top: 0.5rem;
}

.footer__link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--gray-light);
    transition: color var(--transition);
}

.footer__link:hover { color: var(--teal); }

.footer__link-icon {
    color: var(--orange);
    font-size: 1rem;
    flex-shrink: 0;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    font-size: 0.78rem;
    color: var(--gray);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.footer__tagline {
    font-family: var(--font-display);
    font-style: italic;
    color: rgba(250, 250, 247, 0.2);
}

/* ════════════════════════════════════════
   RESPONSIVE — Tablet
   ════════════════════════════════════════ */
@media (max-width: 900px) {
    .about__grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    .nav__links {
        gap: 1.75rem;
    }
}

/* ════════════════════════════════════════
   RESPONSIVE — Mobile
   ════════════════════════════════════════ */
@media (max-width: 640px) {
    .nav {
        padding: 1rem 1.5rem;
    }

    .nav__links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: rgba(10, 10, 10, 0.97);
        border-bottom: 1px solid var(--border);
        padding: 0.5rem 0;
    }

    .nav__links.mobile-open {
        display: flex;
    }

    .nav__links li a {
        display: block;
        padding: 0.85rem 1.5rem;
        font-size: 0.85rem;
    }

    .nav__links a::after { display: none; }

    .nav__mobile-toggle {
        display: flex;
    }

    .hero {
        padding: 6.5rem 1.5rem 4rem;
    }

    .hero__stats {
        gap: 2rem;
        margin-top: 3rem;
        flex-wrap: wrap;
    }

    .hero__stat-number {
        font-size: 2rem;
    }

    .hero__scroll {
        display: none;
    }

    .container {
        padding: 0 1.25rem;
    }

    .about,
    .qa,
    .skills,
    .experience,
    .education,
    .footer {
        padding-top: 5rem;
        padding-bottom: 5rem;
    }

    .skills__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .timeline__header {
        flex-direction: column;
        gap: 0.2rem;
    }

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline__marker {
        left: -1.9rem;
    }

    .timeline__card {
        margin-left: 0.5rem;
        padding: 1.25rem;
    }

    .footer__content {
        flex-direction: column;
        gap: 2rem;
    }

    .education__card {
        padding: 1.5rem;
        flex-direction: column;
        gap: 1rem;
    }
}
