/*
 * sections.css — All section-specific styles
 * Esthyak Ahmmed Siyam Portfolio
 * ==========================================
 */

/* ══════════════════════════════════════════
   ABOUT / POSITIONING
   ══════════════════════════════════════════ */

.about__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(3rem, 6vw, 6rem);
    align-items: start;
}

.about__text .text-body {
    margin-bottom: var(--space-5);
}

.about__text .text-body:last-of-type {
    margin-bottom: var(--space-8);
}

.about__pillars {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.pillar-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    background: rgba(22, 27, 39, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition), background-color var(--transition), transform var(--transition);
}

.pillar-card:hover {
    border-color: rgba(201, 168, 76, 0.35);
    background: rgba(22, 27, 39, 0.65);
    transform: translateX(4px);
}

.pillar-card__content h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.pillar-card__content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ══════════════════════════════════════════
   CORE EXPERTISE
   ══════════════════════════════════════════ */

.expertise__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

.expertise-card {
    background: rgba(22, 27, 39, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: border-color var(--transition), background-color var(--transition), transform var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-border-gold);
    opacity: 0;
    transition: opacity var(--transition);
}

.expertise-card:hover {
    border-color: rgba(201, 168, 76, 0.35);
    background: rgba(22, 27, 39, 0.7);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card), 0 10px 30px rgba(201, 168, 76, 0.08);
}

.expertise-card:hover::before {
    opacity: 1;
}

.expertise-card__icon {
    margin-bottom: var(--space-5);
}

.expertise-card__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.expertise-card__desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: var(--space-4);
}

.expertise-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* ══════════════════════════════════════════
   FEATURED CASE STUDIES
   ══════════════════════════════════════════ */

.featured-cases {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    margin-bottom: clamp(3rem, 5vw, 5rem);
}

.case-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-8);
    align-items: start;
    padding: var(--space-8) var(--space-10);
    background: rgba(14, 17, 23, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-left: 3.5px solid var(--accent);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition), background-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.case-card:hover {
    border-color: rgba(201, 168, 76, 0.4);
    border-left-color: var(--accent);
    background: rgba(22, 27, 39, 0.8);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    transform: translateY(-2px);
}

.case-card__meta {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: var(--space-3);
}

.case-card__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.case-card__story {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-5);
    max-width: 55ch;
}

.case-card__detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.case-card__detail-item h5 {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: var(--space-2);
}

.case-card__detail-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.case-card__right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-4);
    min-width: 160px;
}

/* ══════════════════════════════════════════
   PROJECT GRID
   ══════════════════════════════════════════ */

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

.project-card {
    background: rgba(22, 27, 39, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition), background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.project-card:hover {
    border-color: rgba(201, 168, 76, 0.35);
    background: rgba(22, 27, 39, 0.7);
    transform: translateY(-3px);
    box-shadow: var(--shadow-card), 0 10px 25px rgba(0, 0, 0, 0.2);
}

.project-card__role {
    font-family: var(--font-mono);
    font-size: 0.67rem;
    letter-spacing: 0.1em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: var(--space-3);
}

.project-card__title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    line-height: 1.3;
}

.project-card__desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.65;
    flex: 1;
    margin-bottom: var(--space-5);
}

.project-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-subtle);
}

.project-card__link {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    transition: gap var(--transition-fast), color var(--transition-fast);
}

.project-card__link:hover {
    gap: var(--space-3);
    color: var(--accent-hover);
}

/* ══════════════════════════════════════════
   CASE STUDY DEEP DIVES (Savior, CIB)
   ══════════════════════════════════════════ */

.deep-dive {
    position: relative;
}

.deep-dive::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    border-radius: 0 0 3px 3px;
}

.deep-dive__inner {
    padding-left: clamp(1.5rem, 4vw, 3rem);
}

.deep-dive__kicker {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.deep-dive__domain {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.deep-dive__headline {
    margin-bottom: var(--space-4);
}

.deep-dive__tagline {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.15rem;
    color: var(--accent);
    margin-bottom: var(--space-6);
    font-style: italic;
}

.deep-dive__body {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.deep-dive__body p+p {
    margin-top: var(--space-4);
}

.deep-dive__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
    margin-bottom: var(--space-8);
}

.deep-dive__detail-box {
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: var(--space-5);
}

.deep-dive__detail-box h5 {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: var(--space-3);
}

.deep-dive__detail-box p,
.deep-dive__detail-box .tag-group {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ══════════════════════════════════════════
   AI DEV WORKFLOW
   ══════════════════════════════════════════ */

.workflow__steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    position: relative;
}

/* Connecting line between steps */

.workflow__steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: calc(16.66% + 24px);
    right: calc(16.66% + 24px);
    height: 1px;
    background: linear-gradient(to right, var(--accent-border), var(--accent-border));
    pointer-events: none;
}

.workflow-step {
    position: relative;
    text-align: center;
    padding: var(--space-8) var(--space-6);
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition), background-color var(--transition);
}

.workflow-step:hover {
    border-color: var(--accent-border);
    background-color: var(--bg-surface);
}

.workflow-step__number {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--accent);
    background-color: var(--accent-dim);
    border: 1px solid var(--accent-border);
    border-radius: 99px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-5);
    font-size: 1rem;
    font-weight: 700;
}

.workflow-step__title {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.workflow-step__desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ══════════════════════════════════════════
   TECH STACK
   ══════════════════════════════════════════ */

.stack__groups {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.stack-group__label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.stack-group__label::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--border-subtle);
}

.stack-group__items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.stack-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.5rem 1rem;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
    cursor: default;
}

.stack-item:hover {
    border-color: var(--accent-border);
    color: var(--text-primary);
    background-color: var(--accent-dim);
}

/* ══════════════════════════════════════════
   GITHUB / OPEN SOURCE
   ══════════════════════════════════════════ */

.github__repos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

.repo-card {
    background: rgba(22, 27, 39, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    transition: border-color var(--transition), background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.repo-card:hover {
    border-color: rgba(201, 168, 76, 0.35);
    background: rgba(22, 27, 39, 0.7);
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
}

.repo-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.repo-card__icon {
    color: var(--text-muted);
}

.repo-card__icon svg {
    width: 16px;
    height: 16px;
}

.repo-card__name {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
}

.repo-card__desc {
    font-size: 0.83rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
}

.repo-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-subtle);
}

.repo-card__lang {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
}

.repo-card__lang-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.lang-php {
    background-color: #4F5D95;
}

.lang-js {
    background-color: #f1e05a;
}

.lang-html {
    background-color: #e34c26;
}

/* ══════════════════════════════════════════
   SERVICES
   ══════════════════════════════════════════ */

.services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
}

.service-card {
    background: rgba(22, 27, 39, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    transition: border-color var(--transition), background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
    border-color: rgba(201, 168, 76, 0.35);
    background: rgba(22, 27, 39, 0.7);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card), 0 10px 30px rgba(201, 168, 76, 0.08);
}

.service-card__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.service-card__desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    flex: 1;
}

/* ══════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════ */

.contact__inner {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: clamp(3rem, 6vw, 6rem);
    align-items: start;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact__headline {
    margin-bottom: var(--space-4);
}

.contact__subtext {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: var(--space-8);
}

.contact__direct {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact__direct-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    transition: border-color var(--transition), background-color var(--transition);
}

.contact__direct-item:hover {
    border-color: var(--accent-border);
    background-color: var(--accent-dim);
}

.contact__direct-item .icon-box {
    flex-shrink: 0;
}

.contact__direct-label {
    font-family: var(--font-mono);
    font-size: 0.67rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.contact__direct-value {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.contact__form-wrap {
    background: rgba(14, 17, 23, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.contact__form-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-6);
}

.contact__form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */

.footer {
    padding-block: 3rem;
    border-top: 1px solid var(--border-subtle);
    background-color: var(--bg-void);
}

.footer__inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--space-8);
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.footer__brand h3 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.footer__brand p {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.footer__nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    justify-content: center;
}

.footer__nav a {
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

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

.footer__right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-3);
}

.footer__copy {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

/* Mobile sticky CTA */

.mobile-cta-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 90;
    padding: var(--space-3) var(--space-5);
    background-color: rgba(8, 11, 18, 0.92);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-subtle);
    justify-content: center;
}