/* ============================================
   BOHR DYNAMICS - Engineering Automation
   Professional Website Styles
   ============================================ */

/* --- Variables --- */
:root {
    --navy: #1b3a4b;
    --navy-deep: #0f2633;
    --navy-light: #2c5f7a;
    --teal: #5ec6b8;
    --teal-light: #8eddd2;
    --teal-dark: #3da89a;
    --green-soft: #a8d5ba;
    --white: #ffffff;
    --gray-50: #f8fafb;
    --gray-100: #f0f4f6;
    --gray-200: #dce4e8;
    --gray-300: #b8c6ce;
    --gray-500: #6b8190;
    --gray-700: #3d5461;
    --text: #1a2e38;
    --text-light: #a3b8c4;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --shadow-sm: 0 1px 3px rgba(27,58,75,0.08);
    --shadow-md: 0 4px 20px rgba(27,58,75,0.1);
    --shadow-lg: 0 8px 40px rgba(27,58,75,0.12);
    --shadow-xl: 0 20px 60px rgba(27,58,75,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--text);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.2; }
.accent { color: var(--teal); }
.accent-dark { color: var(--teal-dark); }
.text-white { color: var(--white); }
.text-light { color: var(--text-light); }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--teal-dark);
    border-color: var(--teal-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(94,198,184,0.35);
}

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

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
}

.btn-full { width: 100%; }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(15,38,51,0.95);
    backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1001;
}

.logo-img {
    height: 64px;
    width: auto;
    border-radius: 8px;
    object-fit: contain;
    transition: var(--transition);
}

.nav-logo:hover .logo-img {
    opacity: 0.85;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu li a {
    padding: 8px 16px;
    font-size: 0.88rem;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-menu li a:hover {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}

.nav-cta {
    background: var(--teal) !important;
    color: var(--navy-deep) !important;
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: var(--teal-dark) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, rgba(15,38,51,0.82) 0%, rgba(27,58,75,0.78) 40%, rgba(30,77,58,0.80) 100%),
url('../img/hero-bg.jpg') center/cover no-repeat;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-wave {
    position: absolute;
    bottom: -5%;
    left: -5%;
    right: -5%;
    height: 40%;
    border-radius: 50% 50% 0 0;
    opacity: 0.15;
}

.wave-1 {
    background: linear-gradient(180deg, transparent, var(--teal));
    bottom: -10%;
    animation: waveFloat 8s ease-in-out infinite;
}

.wave-2 {
    background: linear-gradient(180deg, transparent, var(--green-soft));
    bottom: -15%;
    animation: waveFloat 10s ease-in-out infinite reverse;
}

.wave-3 {
    background: linear-gradient(180deg, transparent, var(--teal-dark));
    bottom: -8%;
    animation: waveFloat 12s ease-in-out infinite;
}

@keyframes waveFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.02); }
}

.hero-content {
    position: relative;
    text-align: center;
    padding: 120px 0 80px;
}

.hero-label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--teal);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 20px;
    padding: 8px 20px;
    border: 1px solid rgba(94,198,184,0.3);
    border-radius: 50px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-title-accent {
    background: linear-gradient(135deg, var(--teal), var(--green-soft));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-pillars {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    max-width: 700px;
    margin: 0 auto;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-pillar {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--teal);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-pillar-dot {
    font-size: 1.4rem;
    color: rgba(255,255,255,0.3);
    line-height: 1;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.4);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   SECTIONS COMMON
   ============================================ */
.section { padding: 100px 0; }

.section-light { background: var(--gray-50); }
.section-dark { background: var(--navy-deep); }
.section-accent { background: var(--gray-100); }

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--teal-dark);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    padding: 6px 16px;
    background: rgba(94,198,184,0.1);
    border-radius: 50px;
}

.tag-light {
    color: var(--teal);
    background: rgba(94,198,184,0.15);
}

.tag-dark {
    color: var(--navy);
    background: rgba(27,58,75,0.08);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--navy-deep);
    margin-bottom: 16px;
}

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

.section-subtitle {
    font-size: 1.05rem;
    color: var(--gray-500);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================
   ABOUT / VALUES
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text { padding-top: 10px; }

.about-lead {
    font-size: 1.15rem;
    color: var(--navy);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--gray-700);
    margin-bottom: 16px;
    line-height: 1.7;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.value-card {
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: attr(data-index);
    position: absolute;
    top: -8px;
    right: -5px;
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 800;
    color: rgba(94,198,184,0.07);
    line-height: 1;
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--teal);
}

.value-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(94,198,184,0.12), rgba(168,213,186,0.12));
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    color: var(--teal-dark);
}

.value-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 8px;
}

.value-card p {
    font-size: 0.88rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--teal), var(--teal), transparent);
    transform: translateX(-50%);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr 40px 1fr;
    align-items: start;
    margin-bottom: 50px;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Odd items (2014, 2020, 2024): content on the RIGHT */
.timeline-item:nth-child(odd) .timeline-content {
    grid-column: 3;
    text-align: left;
    padding-left: 16px;
}
.timeline-item:nth-child(odd) .timeline-dot {
    grid-column: 2;
    grid-row: 1;
}

/* Even items (2018, 2022, 2026): content on the LEFT */
.timeline-item:nth-child(even) .timeline-content {
    grid-column: 1;
    grid-row: 1;
    text-align: right;
    padding-right: 16px;
}
.timeline-item:nth-child(even) .timeline-dot {
    grid-column: 2;
    grid-row: 1;
}

.timeline-content {
    min-width: 0;
}

.timeline-dot {
    width: 16px;
    height: 16px;
    background: var(--teal);
    border: 3px solid var(--navy-deep);
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 0 0 4px rgba(94,198,184,0.25);
    justify-self: center;
    margin-top: 6px;
}

.timeline-year {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--teal);
    margin-bottom: 6px;
}

.timeline-content h3 {
    font-size: 1.1rem;
    color: var(--white);
    margin-bottom: 6px;
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   SERVICES
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--teal), var(--green-soft));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover::after { transform: scaleX(1); }

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--navy-deep), var(--navy));
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    color: var(--teal);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 12px;
}

.service-card > p {
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 0.92rem;
}

.service-features {
    margin-bottom: 20px;
}

.service-features li {
    position: relative;
    padding-left: 20px;
    font-size: 0.88rem;
    color: var(--gray-700);
    margin-bottom: 8px;
    line-height: 1.5;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background: var(--teal);
    border-radius: 50%;
}

.service-brands {
    font-size: 0.78rem;
    color: var(--gray-300);
    font-weight: 500;
    padding-top: 16px;
    border-top: 1px solid var(--gray-100);
    letter-spacing: 0.5px;
}

.service-brands-logos {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-100);
}

.service-brands-logos img {
    height: 36px;
    width: auto;
    object-fit: contain;
    opacity: 0.85;
    transition: var(--transition);
}

.service-brands-logos img:hover {
    opacity: 1;
    transform: scale(1.08);
}

/* ============================================
   ENGINEERING
   ============================================ */
.engineering-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.eng-card {
    background: var(--white);
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.eng-card-bg {
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 0;
    border: none;
    overflow: hidden;
    min-height: 320px;
    display: flex;
    align-items: center;
}

.eng-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.85);
    transition: var(--transition);
}

.eng-card-bg:hover .eng-card-overlay {
    background: rgba(255,255,255,0.75);
}

.eng-card-content {
    position: relative;
    z-index: 1;
    padding: 32px;
}

.eng-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.eng-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--teal-dark);
    opacity: 0.4;
    margin-bottom: 12px;
    line-height: 1;
}

.eng-card-bg h3 {
    font-size: 1.25rem;
    color: var(--navy-deep);
    margin-bottom: 10px;
    font-weight: 800;
}

.eng-card-bg p {
    font-size: 0.92rem;
    color: var(--navy);
    line-height: 1.7;
    font-weight: 500;
}

.eng-card-bg p strong {
    color: var(--teal-dark);
    font-weight: 700;
}

.eng-card h3 {
    font-size: 1.15rem;
    color: var(--navy);
    margin-bottom: 10px;
}

.eng-card p {
    font-size: 0.92rem;
    color: var(--gray-700);
    line-height: 1.7;
}

.eng-highlight {
    display: flex;
    align-items: center;
    gap: 28px;
    background: var(--white);
    border: 2px solid var(--teal);
    border-radius: var(--radius-lg);
    padding: 32px 40px;
}

.eng-highlight-icon {
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--teal), var(--green-soft));
    border-radius: var(--radius-md);
    color: var(--navy-deep);
}

.eng-highlight h3 {
    font-size: 1.2rem;
    color: var(--navy);
    margin-bottom: 6px;
}

.eng-highlight p {
    font-size: 0.92rem;
    color: var(--gray-700);
    line-height: 1.6;
}

/* ============================================
   INDUSTRIA 4.0
   ============================================ */
.i40-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.i40-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
}

.i40-card:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--teal);
    transform: translateY(-4px);
}

.i40-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, rgba(94,198,184,0.15), rgba(94,198,184,0.05));
    border-radius: 50%;
    color: var(--teal);
}

.i40-card h3 {
    font-size: 1.2rem;
    color: var(--white);
    margin-bottom: 12px;
}

.i40-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
}

.consulting-banner {
    background: linear-gradient(135deg, var(--teal-dark), var(--teal));
    border-radius: var(--radius-lg);
    padding: 40px 48px;
    text-align: center;
}

.consulting-banner h3 {
    font-size: 1.4rem;
    color: var(--navy-deep);
    margin-bottom: 12px;
}

.consulting-banner p {
    font-size: 0.95rem;
    color: rgba(15,38,51,0.8);
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   STRUCTURE
   ============================================ */
.structure-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}

.structure-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.structure-item:hover {
    border-color: var(--teal);
    box-shadow: var(--shadow-md);
}

.structure-icon-wrap {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(94,198,184,0.1), rgba(168,213,186,0.1));
    border-radius: var(--radius-sm);
    color: var(--teal-dark);
}

.structure-item span {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--navy);
}

.capabilities-row {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.capability {
    text-align: center;
    padding: 24px 16px;
    background: var(--navy-deep);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.capability:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.capability strong {
    display: block;
    font-size: 0.9rem;
    color: var(--teal);
    margin-bottom: 4px;
}

.capability span {
    font-size: 0.78rem;
    color: var(--text-light);
}

/* ============================================
   INTERNATIONAL
   ============================================ */
.map-regions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 50px;
}

.region {
    text-align: center;
    padding: 32px 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.region:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.region-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--dot-color);
    margin: 0 auto 16px;
    box-shadow: 0 0 0 6px rgba(94,198,184,0.15);
}

.region h4 {
    font-size: 1.1rem;
    color: var(--navy);
    margin-bottom: 8px;
}

.region p {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.6;
}

.clients-section {
    text-align: center;
}

.clients-section h3 {
    font-size: 1.3rem;
    color: var(--navy);
    margin-bottom: 24px;
}

.clients-logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}

.client-logo-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 12px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.client-logo-card:hover {
    border-color: var(--teal);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.client-logo-card img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: 8px;
}

.client-logo-card span {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--navy);
    text-align: center;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info .section-title { text-align: left; }
.contact-info .section-tag { margin-bottom: 16px; }

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-item svg { color: var(--teal); flex-shrink: 0; }

.contact-form {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-family: var(--font-primary);
    font-size: 0.92rem;
    transition: var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255,255,255,0.3);
}

.form-group select option {
    background: var(--navy-deep);
    color: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(94,198,184,0.15);
}

.form-group textarea { resize: vertical; min-height: 100px; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--navy-deep);
    padding: 48px 0 24px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.footer-brand p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 28px;
}

.footer-links a {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.footer-links a:hover { color: var(--teal); }

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.06);
    text-align: center;
}

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

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-pillars { gap: 10px; }
    .hero-pillar { font-size: 0.95rem; }
    .services-grid { grid-template-columns: 1fr; }
    .engineering-grid { grid-template-columns: 1fr; }
    .i40-grid { grid-template-columns: 1fr; }
    .capabilities-row { grid-template-columns: repeat(3, 1fr); }
    .map-regions { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--navy-deep);
        flex-direction: column;
        padding: 100px 32px 40px;
        gap: 4px;
        transition: var(--transition);
        box-shadow: -10px 0 40px rgba(0,0,0,0.3);
    }

    .nav-menu.active { right: 0; }

    .nav-menu li a {
        display: block;
        padding: 12px 16px;
        font-size: 1rem;
    }

    .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);
    }

    .section { padding: 70px 0; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .values-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .structure-grid { grid-template-columns: 1fr 1fr; }
    .capabilities-row { grid-template-columns: repeat(2, 1fr); }
    .map-regions { grid-template-columns: 1fr; }
    .hero-pillars { gap: 8px; }
    .hero-pillar { font-size: 0.85rem; }

    .timeline-line { left: 20px; }
    .timeline-item {
        display: grid;
        grid-template-columns: 40px 1fr;
    }
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        grid-column: 2;
        grid-row: 1;
        text-align: left;
        padding-left: 16px;
        padding-right: 0;
    }
    .timeline-item:nth-child(odd) .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot {
        grid-column: 1;
        grid-row: 1;
    }

    .eng-highlight { flex-direction: column; text-align: center; padding: 28px; }
    .form-row { grid-template-columns: 1fr; }

    .footer-content { flex-direction: column; gap: 24px; text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.5rem; }
    .values-grid { grid-template-columns: 1fr; }
    .structure-grid { grid-template-columns: 1fr; }
    .capabilities-row { grid-template-columns: 1fr; }
    .consulting-banner { padding: 28px 20px; }
}