/* ============================================
   Marques Marine Biology — POC Site Styles
   ============================================ */

:root {
    --color-deep: #0a2540;
    --color-ocean: #0d3b66;
    --color-ocean-mid: #1a73a8;
    --color-teal: #00a8a8;
    --color-foam: #7fcdcd;
    --color-mint: #a8e6cf;
    --color-coral: #ff6b35;
    --color-coral-soft: #ff7e5f;
    --color-sand: #f5f1e8;
    --color-cream: #f8f6f1;
    --color-text: #1a1f2e;
    --color-text-soft: #4a5568;
    --color-text-muted: #6b7280;
    --color-border: #e2e8f0;
    --color-white: #ffffff;

    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --shadow-sm: 0 1px 3px rgba(10, 37, 64, 0.08);
    --shadow-md: 0 4px 12px rgba(10, 37, 64, 0.1);
    --shadow-lg: 0 10px 30px rgba(10, 37, 64, 0.15);
    --shadow-xl: 0 25px 50px rgba(10, 37, 64, 0.2);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-cream);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============================================
   Navigation
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem 0;
    transition: all var(--transition);
    background: transparent;
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    padding: 0.85rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--color-white);
    transition: color var(--transition);
}

.nav.scrolled .nav-logo {
    color: var(--color-deep);
}

.logo-icon {
    width: 38px;
    height: 38px;
    color: var(--color-foam);
    flex-shrink: 0;
}

.nav.scrolled .logo-icon {
    color: var(--color-teal);
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1;
}

.logo-sub {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.7;
    margin-left: 0.4rem;
    padding-left: 0.75rem;
    border-left: 1px solid currentColor;
    line-height: 1;
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--color-white);
    font-weight: 500;
    font-size: 0.95rem;
    transition: opacity var(--transition);
    position: relative;
}

.nav.scrolled .nav-menu a {
    color: var(--color-text);
}

.nav-menu a:hover {
    opacity: 0.7;
}

.nav-cta {
    background: var(--color-coral);
    color: var(--color-white) !important;
    padding: 0.65rem 1.4rem;
    border-radius: 999px;
    transition: all var(--transition);
}

.nav.scrolled .nav-cta {
    color: var(--color-white) !important;
}

.nav-cta:hover {
    opacity: 1 !important;
    background: var(--color-coral-soft);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 5px;
    z-index: 101;
}

.nav-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition);
}

.nav.scrolled .nav-toggle span {
    background: var(--color-text);
}

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

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

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

/* ============================================
   Hero
   ============================================ */

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.bubble {
    animation: bubble-rise 8s ease-in infinite;
}

.bubble:nth-child(2) { animation-delay: 1s; animation-duration: 10s; }
.bubble:nth-child(3) { animation-delay: 2s; animation-duration: 7s; }
.bubble:nth-child(4) { animation-delay: 3s; animation-duration: 9s; }
.bubble:nth-child(5) { animation-delay: 4s; animation-duration: 11s; }
.bubble:nth-child(6) { animation-delay: 5s; animation-duration: 8s; }

@keyframes bubble-rise {
    0% { transform: translateY(0); opacity: 0; }
    10% { opacity: var(--bubble-opacity, 0.4); }
    90% { opacity: var(--bubble-opacity, 0.4); }
    100% { transform: translateY(-300px); opacity: 0; }
}

.whale {
    animation: float-slow 12s ease-in-out infinite;
}

.fish-school {
    animation: float-slow 8s ease-in-out infinite reverse;
}

@keyframes float-slow {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-20px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 2rem 6rem;
}

.hero-text {
    max-width: 760px;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-foam);
    margin-bottom: 1.5rem;
    padding: 0.4rem 1rem;
    border: 1px solid rgba(127, 205, 205, 0.4);
    border-radius: 999px;
    background: rgba(127, 205, 205, 0.08);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 6vw, 4.75rem);
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: -0.01em;
    margin-bottom: 1.75rem;
}

.hero-title-accent {
    display: block;
    background: linear-gradient(135deg, #7fcdcd 0%, #a8e6cf 50%, #ffeb3b 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-style: italic;
    font-weight: 500;
}

.hero-description {
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
    max-width: 620px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    max-width: 620px;
}

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

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-foam);
    line-height: 1;
    margin-bottom: 0.35rem;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 0.05em;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.95rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 999px;
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 0.02em;
}

.btn-primary {
    background: var(--color-coral);
    color: var(--color-white);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.35);
}

.btn-primary:hover {
    background: var(--color-coral-soft);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(255, 107, 53, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.12);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* ============================================
   Wave Divider
   ============================================ */

.wave-divider {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    z-index: 3;
    line-height: 0;
}

.wave-divider svg {
    width: 100%;
    height: 80px;
    display: block;
}

/* ============================================
   Sections (shared)
   ============================================ */

section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    margin-bottom: 4rem;
    max-width: 760px;
}

.section-header.center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-coral);
    margin-bottom: 1.25rem;
    position: relative;
    padding-left: 2.5rem;
}

.section-header.center .section-eyebrow {
    padding-left: 0;
    padding-right: 0;
}

.section-eyebrow::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 2rem;
    height: 1px;
    background: var(--color-coral);
}

.section-header.center .section-eyebrow::before {
    display: none;
}

.section-eyebrow.light {
    color: var(--color-foam);
}

.section-eyebrow.light::before {
    background: var(--color-foam);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 500;
    line-height: 1.1;
    color: var(--color-deep);
    letter-spacing: -0.01em;
}

.section-title.light {
    color: var(--color-white);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-soft);
    margin-top: 1.5rem;
    line-height: 1.6;
}

/* ============================================
   About
   ============================================ */

.about {
    background: var(--color-cream);
}

.about-grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 5rem;
    align-items: start;
}

.about-image {
    position: relative;
    position: sticky;
    top: 6rem;
}

.about-portrait {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    aspect-ratio: 4/5;
}

.about-portrait svg {
    width: 100%;
    height: 100%;
    display: block;
}

.credential-badge {
    position: absolute;
    bottom: -1.5rem;
    right: -1.5rem;
    background: var(--color-white);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-teal);
    font-weight: 600;
    font-size: 0.9rem;
}

.credential-badge svg {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.about-content {
    font-size: 1.05rem;
    color: var(--color-text-soft);
    line-height: 1.75;
}

.about-lead {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    line-height: 1.4;
    color: var(--color-deep);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.about-content p {
    margin-bottom: 1.25rem;
}

.credentials-list {
    list-style: none;
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--color-border);
}

.credentials-list li {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 1.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
    align-items: baseline;
}

.credentials-list li:last-child {
    border-bottom: none;
}

.credentials-list strong {
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-coral);
}

.credentials-list span {
    color: var(--color-text);
    font-size: 0.98rem;
}

/* ============================================
   Services
   ============================================ */

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

.sector-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 5rem;
}

.sector-card {
    background: linear-gradient(160deg, #fafbfc 0%, #f0f4f8 100%);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.sector-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-ocean), var(--color-teal));
}

.sector-card-alt::before {
    background: linear-gradient(90deg, var(--color-coral), var(--color-coral-soft));
}

.sector-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.sector-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.sector-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-ocean), var(--color-teal));
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sector-card-alt .sector-icon {
    background: linear-gradient(135deg, var(--color-coral), var(--color-coral-soft));
}

.sector-icon svg {
    width: 36px;
    height: 36px;
}

.sector-label {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-coral);
    margin-bottom: 0.35rem;
}

.sector-card:not(.sector-card-alt) .sector-label {
    color: var(--color-ocean);
}

.sector-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-deep);
    line-height: 1.2;
}

.service-list {
    list-style: none;
}

.service-list li {
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--color-border);
}

.service-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.service-list h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-deep);
    margin-bottom: 0.35rem;
}

.service-list p {
    font-size: 0.92rem;
    color: var(--color-text-soft);
    line-height: 1.55;
}

.capabilities {
    background: linear-gradient(135deg, var(--color-deep), var(--color-ocean));
    border-radius: var(--radius-lg);
    padding: 3rem;
    color: var(--color-white);
}

.capabilities-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 500;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--color-foam);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
}

.capability {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition);
}

.capability:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.capability svg {
    width: 28px;
    height: 28px;
    color: var(--color-foam);
    flex-shrink: 0;
}

.capability span {
    font-size: 0.92rem;
    font-weight: 500;
}

/* ============================================
   Experience
   ============================================ */

.experience {
    background: var(--color-cream);
}

.experience-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.environments-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--color-deep);
    margin-bottom: 1.75rem;
}

.env-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.env-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    border: 1px solid var(--color-border);
}

.env-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.env-illustration {
    width: 100%;
    aspect-ratio: 5/3;
    overflow: hidden;
}

.env-illustration svg {
    width: 100%;
    height: 100%;
    display: block;
}

.env-card h4 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-deep);
    margin: 1rem 1.25rem 0.4rem;
}

.env-card p {
    font-size: 0.88rem;
    color: var(--color-text-soft);
    line-height: 1.55;
    margin: 0 1.25rem 1.25rem;
}

.locations-map {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    padding: 1rem;
    border: 1px solid var(--color-border);
    margin-bottom: 1.5rem;
}

.locations-map svg {
    width: 100%;
    height: auto;
    display: block;
}

.map-pin {
    animation: pulse-pin 3s ease-in-out infinite;
    transform-origin: center;
    transform-box: fill-box;
}

.map-pin:nth-child(2) { animation-delay: 0.5s; }
.map-pin:nth-child(3) { animation-delay: 1s; }
.map-pin:nth-child(4) { animation-delay: 1.5s; }
.map-pin:nth-child(5) { animation-delay: 2s; }
.map-pin:nth-child(6) { animation-delay: 2.5s; }

@keyframes pulse-pin {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.state-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.state-tag {
    padding: 0.5rem 1rem;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-deep);
    transition: all var(--transition);
}

.state-tag:hover {
    background: var(--color-deep);
    color: var(--color-white);
    border-color: var(--color-deep);
    transform: translateY(-2px);
}

/* ============================================
   Projects
   ============================================ */

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition);
    border: 1px solid var(--color-border);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.project-image svg {
    width: 100%;
    height: 100%;
    display: block;
    transition: transform 0.6s ease;
}

.project-card:hover .project-image svg {
    transform: scale(1.06);
}

.project-body {
    padding: 1.75rem;
}

.project-tag {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-coral);
    margin-bottom: 0.75rem;
}

.project-body h3 {
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 600;
    color: var(--color-deep);
    margin-bottom: 0.75rem;
    line-height: 1.25;
}

.project-body p:not(.project-tag) {
    font-size: 0.95rem;
    color: var(--color-text-soft);
    line-height: 1.65;
}

/* ============================================
   Testimonial
   ============================================ */

.testimonial {
    background: linear-gradient(135deg, var(--color-cream) 0%, #ebe5d4 100%);
    padding: 5rem 0;
}

.testimonial-card {
    max-width: 880px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    padding: 3rem 2rem;
}

.quote-mark {
    width: 60px;
    height: 60px;
    color: var(--color-coral);
    opacity: 0.6;
    margin: 0 auto 1.5rem;
    display: block;
}

.testimonial blockquote {
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 2.4vw, 1.85rem);
    font-style: italic;
    line-height: 1.5;
    color: var(--color-deep);
    margin-bottom: 2rem;
    font-weight: 500;
}

.testimonial cite {
    font-style: normal;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.cite-name {
    font-weight: 600;
    color: var(--color-deep);
    font-size: 1rem;
}

.cite-role {
    color: var(--color-text-muted);
    font-size: 0.88rem;
}

/* ============================================
   Contact
   ============================================ */

.contact {
    position: relative;
    overflow: hidden;
    color: var(--color-white);
}

.contact-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.contact-bg svg {
    width: 100%;
    height: 100%;
    display: block;
}

.contact .container {
    position: relative;
    z-index: 2;
}

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

.contact-intro .section-title {
    margin-bottom: 1.5rem;
}

.contact-description {
    font-size: 1.05rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
}

.contact-details {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-details li {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.98rem;
}

.contact-details svg {
    width: 22px;
    height: 22px;
    color: var(--color-foam);
    flex-shrink: 0;
}

.contact-form {
    background: var(--color-white);
    color: var(--color-text);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-deep);
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--color-text);
    background: var(--color-white);
    transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-teal);
    box-shadow: 0 0 0 3px rgba(0, 168, 168, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 110px;
    font-family: var(--font-sans);
}

.form-note {
    margin-top: 1rem;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 500;
    min-height: 1.5em;
}

.form-note.success {
    color: var(--color-teal);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--color-deep);
    color: rgba(255, 255, 255, 0.7);
    padding: 2.5rem 0;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-foam);
}

.footer-brand .logo-icon {
    width: 34px;
    height: 34px;
}

.footer-name {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-white);
    line-height: 1.2;
}

.footer-tag {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 0.15rem;
}

.footer-copy {
    font-size: 0.85rem;
}

/* ============================================
   Reveal-on-scroll
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 980px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image {
        position: static;
        max-width: 420px;
        margin: 0 auto;
    }

    .sector-tabs {
        grid-template-columns: 1fr;
    }

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

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

    .credentials-list li {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }
}

@media (max-width: 720px) {
    .container {
        padding: 0 1.25rem;
    }

    .nav-container {
        padding: 0 1.25rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 2rem;
        padding: 4rem 2.5rem;
        transform: translateX(100%);
        transition: transform var(--transition);
        box-shadow: var(--shadow-xl);
    }

    .nav-menu.open {
        transform: translateX(0);
    }

    .nav-menu a {
        color: var(--color-text) !important;
        font-size: 1.15rem;
        font-weight: 500;
    }

    .nav-cta {
        margin-top: 1rem;
    }

    .logo-sub {
        display: none;
    }

    section {
        padding: 4rem 0;
    }

    .hero-content {
        padding: 7rem 1.25rem 5rem;
    }

    .hero-stats {
        gap: 2rem;
    }

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

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .sector-card {
        padding: 1.75rem;
    }

    .sector-header {
        gap: 1rem;
    }

    .sector-icon {
        width: 52px;
        height: 52px;
    }

    .sector-icon svg {
        width: 30px;
        height: 30px;
    }

    .sector-title {
        font-size: 1.25rem;
    }

    .capabilities {
        padding: 2rem 1.5rem;
    }

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

    .env-list {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 1.75rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
        margin-bottom: 0;
    }

    .credential-badge {
        right: 1rem;
        bottom: -1rem;
        padding: 0.85rem 1.1rem;
        font-size: 0.82rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 420px) {
    .hero-eyebrow {
        font-size: 0.72rem;
        padding: 0.35rem 0.85rem;
    }

    .credentials-list li {
        padding: 0.85rem 0;
    }
}

/* ============================================
   Motion preferences
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}