/* ═══════════════════════════════════════════
   GSD Consulting — Style Sheet
   ═══════════════════════════════════════════ */

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

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

:root {
    --navy: #0F1A2E;
    --navy-light: #1C2D4A;
    --navy-mid: #2A3F5F;
    --gold: #C8963E;
    --gold-light: #DCAE54;
    --white: #FFFFFF;
    --off-white: #F8F7F4;
    --light-gray: #F0EFEC;
    --gray: #8A8F98;
    --text: #2D3436;
    --text-light: #636E72;
    --border: #E2E0DC;
    --shadow-sm: 0 2px 8px rgba(15,26,46,0.06);
    --shadow-md: 0 4px 20px rgba(15,26,46,0.08);
    --shadow-lg: 0 8px 40px rgba(15,26,46,0.12);
    --radius: 6px;
    --radius-lg: 12px;
    --transition: 0.25s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

img {
    max-width: 100%;
    height: auto;
}

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

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all var(--transition);
    cursor: pointer;
    line-height: 1.2;
    border: 2px solid transparent;
}

.btn--primary {
    background: var(--gold);
    color: var(--navy);
    border-color: var(--gold);
}

.btn--primary:hover {
    background: var(--gold-light);
    border-color: var(--gold-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(200,150,62,0.35);
}

.btn--outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}

.btn--outline:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.08);
}

/* ═══════════════════════════════════════════
   Navigation
   ═══════════════════════════════════════════ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0 1.5rem;
    transition: background var(--transition), box-shadow var(--transition);
}

.nav--scrolled {
    background: rgba(15,26,46,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1100px;
    margin: 0 auto;
    height: 68px;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav__mark {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 1px;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 1px;
    transition: all 0.3s ease;
}

.nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
}

.nav__link {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255,255,255,0.75);
    border-radius: var(--radius);
    transition: all var(--transition);
    letter-spacing: 0.3px;
}

.nav__link:hover {
    color: var(--white);
    background: rgba(255,255,255,0.08);
}

.nav__link--cta {
    background: var(--gold);
    color: var(--navy);
    font-weight: 600;
    margin-left: 0.5rem;
}

.nav__link--cta:hover {
    background: var(--gold-light);
    color: var(--navy);
}

/* ═══════════════════════════════════════════
   Hero
   ═══════════════════════════════════════════ */

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

.hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 20%, rgba(200,150,62,0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 60% at 80% 80%, rgba(200,150,62,0.05) 0%, transparent 50%);
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(15,26,46,0.6) 100%);
}

.hero__inner {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 6rem 1.5rem 4rem;
}

.hero__content {
    max-width: 720px;
}

.hero__badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gold);
    margin-bottom: 1.5rem;
    border: 1px solid rgba(200,150,62,0.3);
    padding: 0.4rem 1rem;
    border-radius: 100px;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 1.25rem;
}

.hero__subtitle {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.65);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: 2.5rem;
    font-weight: 300;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255,255,255,0.3);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-8px); }
    60% { transform: translateX(-50%) translateY(-4px); }
}

/* ═══════════════════════════════════════════
   Sections
   ═══════════════════════════════════════════ */

.section {
    padding: 5rem 0;
}

.section--dark {
    background: var(--navy);
    color: var(--white);
}

.section--light {
    background: var(--off-white);
}

.section__header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section__tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gold);
    margin-bottom: 0.75rem;
}

.section__title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--navy);
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.section--dark .section__title {
    color: var(--white);
}

/* ═══════════════════════════════════════════
   Cards
   ═══════════════════════════════════════════ */

.card-grid {
    display: grid;
    gap: 1.5rem;
}

.card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.card-grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card--dark {
    background: var(--navy-light);
    border-color: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.85);
}

.card--dark:hover {
    background: rgba(28,45,74,0.95);
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.card--dark .card__title {
    color: var(--white);
}

.card--dark .card__text {
    color: rgba(255,255,255,0.6);
}

.card--bordered {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

.card__icon {
    color: var(--gold);
    margin-bottom: 1.25rem;
}

.card__title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.card__text {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.6;
}

.card__meta {
    font-size: 0.75rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.card__link {
    margin-top: auto;
    padding-top: 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gold);
    transition: color var(--transition);
}

.card__link:hover {
    color: var(--gold-light);
}

/* ═══════════════════════════════════════════
   Stats Bar
   ═══════════════════════════════════════════ */

.stats {
    background: var(--navy);
    padding: 3.5rem 0;
    border-top: 1px solid rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.stats__grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.stats__item {
    text-align: center;
    flex: 1;
}

.stats__number {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: -0.5px;
    margin-bottom: 0.25rem;
}

.stats__label {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
    line-height: 1.4;
}

.stats__divider {
    width: 1px;
    height: 48px;
    background: rgba(255,255,255,0.1);
    flex-shrink: 0;
}

/* ═══════════════════════════════════════════
   Team
   ═══════════════════════════════════════════ */

.team {
    display: flex;
    justify-content: center;
}

.team__card {
    display: flex;
    gap: 3rem;
    align-items: flex-start;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    max-width: 800px;
}

.team__content {
    flex: 1;
}

.team__name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.25rem;
}

.team__role {
    font-size: 0.85rem;
    color: var(--gold);
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.team__bio {
    font-size: 0.88rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.team__credentials {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.team__credentials span {
    font-size: 0.75rem;
    color: var(--gray);
    background: var(--light-gray);
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
    letter-spacing: 0.2px;
}

.team__photo {
    flex-shrink: 0;
}

.team__placeholder {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--navy);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 1px;
}

/* ═══════════════════════════════════════════
   Contact
   ═══════════════════════════════════════════ */

.contact {
    background: var(--navy);
    color: var(--white);
}

.contact .section__title {
    color: var(--white);
}

.contact__inner {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact__text {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.65);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.contact__methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.contact__card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
    min-width: 320px;
    justify-content: center;
}

.contact__card:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--gold);
    transform: translateY(-1px);
}

.contact__card svg {
    width: 20px;
    height: 20px;
    color: var(--gold);
    flex-shrink: 0;
}

/* ═══════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════ */

.footer {
    background: var(--navy);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 3rem 0 2rem;
}

.footer__inner {
    text-align: center;
}

.footer__brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    margin-bottom: 0.5rem;
}

.footer__mark {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 0.5px;
}

.footer__full {
    font-size: 1.15rem;
    font-weight: 400;
    color: rgba(255,255,255,0.5);
}

.footer__tagline {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.footer__links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer__links a {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.5);
    transition: color var(--transition);
    letter-spacing: 0.3px;
}

.footer__links a:hover {
    color: var(--gold);
}

.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 1.5rem;
}

.footer__bottom p {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.3);
}

.footer__tag {
    margin-top: 0.25rem;
    font-style: italic;
    opacity: 0.6;
}

/* ═══════════════════════════════════════════
   Mobile Responsive
   ═══════════════════════════════════════════ */

@media (max-width: 768px) {
    .hero__title {
        font-size: 2.25rem;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .hero__actions {
        flex-direction: column;
    }

    .card-grid--3,
    .card-grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats__grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }

    .stats__divider {
        display: none;
    }

    .team__card {
        flex-direction: column-reverse;
        align-items: center;
        text-align: center;
        padding: 2rem;
        gap: 1.5rem;
    }

    .team__credentials {
        justify-content: center;
    }

    .section {
        padding: 3.5rem 0;
    }

    .section__title {
        font-size: 1.75rem;
    }

    .nav__links {
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(15,26,46,0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
        z-index: 99;
    }

    .nav__links.active {
        opacity: 1;
        pointer-events: all;
    }

    .nav__link {
        font-size: 1.1rem;
        padding: 0.75rem 2rem;
    }

    .nav__toggle {
        display: flex;
    }

    .stats__number {
        font-size: 1.35rem;
    }

    .contact__card {
        min-width: 0;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .card-grid--3,
    .card-grid--4 {
        grid-template-columns: 1fr;
    }

    .hero__title {
        font-size: 1.75rem;
    }

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

    .btn {
        width: 100%;
    }

    .container {
        padding: 0 1rem;
    }

    .section {
        padding: 2.5rem 0;
    }
}