/* ============================================
   METRA NUSANTARA - Design System
   Brand: Kuat, Estetis, Terpercaya
   Colors: Black Elegant + Gold Premium + Silver
   ============================================ */

/* === FONTS === */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* === CSS VARIABLES === */
:root {
    /* Brand Colors - Metra Nusantara */
    --color-primary: #1A1A1A;
    --color-primary-light: #2D2D2D;
    --color-primary-dark: #0D0D0D;

    /* Gold Accent (Premium) */
    --color-accent: #FFD700;
    --color-accent-light: #FFE44D;
    --color-accent-dark: #D4AF37;

    /* Silver / Metal */
    --color-silver: #B0BEC5;
    --color-silver-light: #CFD8DC;
    --color-silver-dark: #78909C;

    /* Neutrals */
    --color-white: #FFFFFF;
    --color-cream: #FAFAFA;
    --color-gray-50: #F5F5F5;
    --color-gray-100: #EEEEEE;
    --color-gray-200: #E0E0E0;
    --color-gray-300: #BDBDBD;
    --color-gray-400: #9E9E9E;
    --color-gray-500: #757575;
    --color-gray-600: #616161;
    --color-gray-700: #424242;
    --color-gray-800: #212121;
    --color-gray-900: #121212;

    /* WhatsApp */
    --color-wa: #25D366;
    --color-wa-hover: #1EBE5A;

    /* Typography */
    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
    --shadow-dark: 0 10px 40px rgba(0, 0, 0, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-smooth: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --container-max: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-gray-700);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.nav-open {
    overflow: hidden;
}

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

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

button {
    font: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul,
ol {
    list-style: none;
}

/* === TYPOGRAPHY === */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-sans);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
}

h1 {
    font-size: clamp(2rem, 5vw + 1rem, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.5rem, 3vw + 0.5rem, 2.5rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 2vw + 0.25rem, 1.75rem);
}

h4 {
    font-size: 1.125rem;
}

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

p:last-child {
    margin-bottom: 0;
}

small {
    font-size: 0.75em;
    opacity: 0.8;
}

/* === LAYOUT === */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-5);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-8);
    }
}

.section {
    padding: var(--space-16) 0;
}

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

.section--alt {
    background: var(--color-gray-50);
}

@media (min-width: 768px) {
    .section {
        padding: var(--space-24) 0;
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--space-10) 0;
    }
}

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-12);
}

.section__label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-dark);
    margin-bottom: var(--space-3);
}

.section__label::before,
.section__label::after {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--color-accent);
}

.section--dark .section__label {
    color: var(--color-accent);
}

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

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

.section__desc {
    color: var(--color-gray-500);
    font-size: 1.125rem;
}

@media (max-width: 480px) {
    .section__header {
        margin-bottom: var(--space-8);
    }

    .section__label {
        font-size: 0.75rem;
    }

    .section__label::before,
    .section__label::after {
        width: 16px;
    }

    .section__desc {
        font-size: 0.9375rem;
    }
}

.section--dark .section__desc {
    color: var(--color-gray-400);
}

.section__action {
    text-align: center;
    margin-top: var(--space-12);
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::before {
    opacity: 1;
}

.btn--lg {
    padding: var(--space-5) var(--space-10);
    font-size: 1.0625rem;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-primary);
    box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 215, 0, 0.4);
}

.btn--whatsapp {
    background: linear-gradient(135deg, var(--color-wa) 0%, var(--color-wa-hover) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
}

.btn--whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
}

.btn--outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn--outline-light {
    border: 2px solid rgba(255, 255, 255, 0.4);
    color: var(--color-white);
    background: transparent;
}

.btn--outline-light:hover {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.btn--dark {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn--dark:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
}

/* === HEADER === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(26, 26, 26, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
    transition: color var(--transition-fast);
}

.logo__img {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    object-fit: cover;
}



.logo__text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo__brand {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.logo__tagline {
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    opacity: 0.9;
}

.header.scrolled .logo__tagline {
    color: var(--color-accent);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav__list {
    display: none;
    gap: var(--space-1);
}

@media (min-width: 992px) {
    .nav__list {
        display: flex;
    }
}

.nav__link {
    padding: var(--space-3) var(--space-4);
    font-size: 0.9375rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-white);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 60%;
}

.nav__cta-btn {
    display: none;
}

@media (min-width: 992px) {
    .nav__cta-btn {
        display: inline-flex;
    }
}

/* Mobile Nav Toggle */
.nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 40px;
    height: 40px;
    padding: 8px;
    position: relative;
    z-index: 1001;
    cursor: pointer;
    background: transparent;
}

@media (max-width: 991px) {
    .nav__toggle {
        display: flex !important;
    }
}

@media (min-width: 992px) {
    .nav__toggle {
        display: none;
    }
}

.nav__toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all var(--transition-fast);
    transform: none;
    opacity: 1;
}

.nav__toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.nav__toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Nav Menu */
@media (max-width: 991px) {
    .nav {
        position: static;
    }

    .nav__cta-btn {
        display: none !important;
    }

    .nav.open {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        height: calc(100vh - var(--header-height));
        height: calc(100dvh - var(--header-height));
        background: var(--color-primary);
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-4);
        z-index: 1000;
        overflow-y: auto;
    }

    .nav.open .nav__list {
        display: flex;
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .nav.open .nav__link {
        display: block;
        padding: var(--space-4);
        font-size: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 0;
        color: rgba(255, 255, 255, 0.9);
        text-align: left;
    }

    .nav.open .nav__link:last-child {
        border-bottom: none;
    }

    .nav.open .nav__link:hover,
    .nav.open .nav__link.active {
        color: var(--color-accent);
        background: rgba(255, 215, 0, 0.1);
    }

    .nav.open .nav__link::after {
        display: none;
    }

    .nav.open .nav__cta-btn {
        display: flex !important;
        justify-content: center;
        width: 100%;
        margin-top: var(--space-6);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Prevent body scroll when nav is open */
body.nav-open {
    overflow: hidden;
}

/* === HERO === */
.hero {
    position: relative;
    min-height: min(100vh, 800px);
    min-height: min(100dvh, 800px);
    display: flex;
    align-items: center;
    padding: calc(var(--header-height) + var(--space-8)) 0 var(--space-8);
    overflow: hidden;
    background: var(--color-primary);
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__bg img,
.hero__bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(13, 13, 13, 0.92) 0%,
            rgba(26, 26, 26, 0.85) 50%,
            rgba(26, 26, 26, 0.75) 100%);
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--space-6);
}

.hero__badge svg {
    fill: var(--color-accent);
}

.hero__title {
    color: var(--color-white);
    margin-bottom: var(--space-6);
}

.hero__title span {
    color: var(--color-accent);
    position: relative;
}

.hero__subtitle {
    color: var(--color-gray-300);
    font-size: clamp(0.9375rem, 2.5vw, 1.25rem);
    line-height: 1.7;
    margin-bottom: var(--space-8);
    max-width: 600px;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__stat {
    min-width: 120px;
}

.hero__stat-value {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--color-white);
    line-height: 1;
}

.hero__stat-value small {
    font-size: 0.5em;
    color: var(--color-accent);
}

.hero__stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    margin-top: var(--space-2);
}

/* Mobile Hero - Small Phones */
@media (max-width: 480px) {
    .hero {
        min-height: auto;
        padding: calc(var(--header-height) + var(--space-6)) 0 var(--space-10);
    }

    .hero__content {
        text-align: center;
    }

    .hero__badge {
        font-size: 0.625rem;
        padding: var(--space-1) var(--space-3);
        margin-bottom: var(--space-4);
    }

    .hero__title {
        font-size: 1.5rem;
        margin-bottom: var(--space-4);
        line-height: 1.25;
    }

    .hero__subtitle {
        font-size: 0.875rem;
        line-height: 1.6;
        margin-bottom: var(--space-5);
    }

    .hero__cta {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
        margin-bottom: var(--space-6);
    }

    .hero__cta .btn {
        width: 100%;
        padding: var(--space-3) var(--space-5);
        font-size: 0.875rem;
    }

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

    .hero__stat {
        text-align: center;
    }

    .hero__stat-value {
        font-size: 1.25rem;
    }

    .hero__stat-label {
        font-size: 0.625rem;
    }
}

/* Mobile Hero - Larger Phones */
@media (min-width: 481px) and (max-width: 767px) {
    .hero {
        min-height: auto;
        padding: calc(var(--header-height) + var(--space-8)) 0 var(--space-12);
    }

    .hero__content {
        text-align: center;
    }

    .hero__badge {
        font-size: 0.75rem;
    }

    .hero__title {
        font-size: 1.75rem;
        line-height: 1.25;
    }

    .hero__subtitle {
        font-size: 0.9375rem;
    }

    .hero__cta {
        justify-content: center;
        flex-direction: column;
        align-items: center;
        gap: var(--space-3);
    }

    .hero__cta .btn {
        width: 100%;
        max-width: 300px;
    }

    .hero__stats {
        gap: var(--space-5);
    }

    .hero__stat {
        text-align: center;
    }

    .hero__stat-value {
        font-size: 1.5rem;
    }

    .hero__stat-label {
        font-size: 0.75rem;
    }
}

/* === SERVICES GRID === */
.services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-smooth);
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

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

.service-card__img {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.service-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-card__img img {
    transform: scale(1.08);
}

.service-card__badge {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    padding: var(--space-1) var(--space-3);
    background: var(--color-accent);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-card__body {
    padding: var(--space-6);
}

.service-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    color: var(--color-accent);
    margin-bottom: var(--space-4);
}

.service-card__title {
    margin-bottom: var(--space-2);
}

.service-card__desc {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-4);
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

.service-card__link svg {
    transition: transform var(--transition-fast);
}

.service-card__link:hover {
    color: var(--color-accent-dark);
}

.service-card__link:hover svg {
    transform: translateX(4px);
}

/* === TRUST / KEUNGGULAN === */
.trust__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
}

@media (min-width: 640px) {
    .trust__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .trust__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }
}

.trust__card {
    text-align: center;
    padding: var(--space-8);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-smooth);
    position: relative;
}

.trust__card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.trust__card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.trust__icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-5);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-xl);
    color: var(--color-accent);
    box-shadow: var(--shadow-dark);
}

.trust__title {
    font-size: 1.125rem;
    margin-bottom: var(--space-3);
}

.trust__desc {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    margin: 0;
}

/* Mobile Trust - Vertical Stack Layout */
@media (max-width: 639px) {
    .trust__card {
        text-align: center;
        padding: var(--space-5);
    }

    .trust__icon {
        width: 56px;
        height: 56px;
        margin: 0 auto var(--space-4);
    }

    .trust__icon svg {
        width: 24px;
        height: 24px;
    }

    .trust__title {
        font-size: 1rem;
        margin-bottom: var(--space-2);
    }

    .trust__desc {
        font-size: 0.875rem;
        line-height: 1.6;
    }
}

/* === PORTFOLIO === */
.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .portfolio__grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-5);
    }
}

.portfolio__item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.portfolio__item--lg {
    grid-column: span 2;
    grid-row: span 2;
}

.portfolio__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio__item:hover img {
    transform: scale(1.1);
}

.portfolio__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13, 13, 13, 0.95) 0%, rgba(13, 13, 13, 0.3) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-5);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio__item:hover .portfolio__overlay {
    opacity: 1;
}

.portfolio__category {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.portfolio__title {
    font-size: 1.125rem;
    color: var(--color-white);
    margin-top: var(--space-1);
}

/* Mobile Portfolio */
@media (max-width: 767px) {
    .portfolio__item--lg {
        grid-column: span 2;
        grid-row: span 1;
    }

    .portfolio__overlay {
        opacity: 1;
        background: linear-gradient(to top, rgba(13, 13, 13, 0.9) 0%, transparent 70%);
    }
}

/* === CTA BANNER === */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--space-20) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

@media (max-width: 480px) {
    .cta-banner {
        padding: var(--space-12) 0;
    }
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-banner::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-banner__content {
    position: relative;
    z-index: 1;
    max-width: 650px;
    margin: 0 auto;
}

.cta-banner h2 {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

@media (max-width: 480px) {
    .cta-banner h2 {
        font-size: 1.375rem;
    }
}

.cta-banner p {
    color: var(--color-gray-300);
    font-size: 1.125rem;
    margin-bottom: var(--space-8);
}

@media (max-width: 480px) {
    .cta-banner p {
        font-size: 0.9375rem;
        margin-bottom: var(--space-6);
    }
}

/* === FOOTER === */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: var(--space-16) 0 0;
}

@media (max-width: 480px) {
    .footer {
        padding: var(--space-10) 0 0;
    }
}

.footer__main {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    padding-bottom: var(--space-12);
}

@media (max-width: 480px) {
    .footer__main {
        gap: var(--space-8);
        padding-bottom: var(--space-8);
    }
}

@media (min-width: 768px) {
    .footer__main {
        grid-template-columns: 1.5fr 2fr;
    }
}

.footer__brand {
    max-width: 360px;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--space-4);
}



.footer__tagline {
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-4);
}

.footer__desc {
    font-size: 0.9375rem;
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.footer__social {
    display: flex;
    gap: var(--space-3);
}

.footer__social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-800);
    border-radius: var(--radius-md);
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.footer__social a:hover {
    background: var(--color-accent);
    color: var(--color-primary);
    transform: translateY(-3px);
}

.footer__nav {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 480px) {
    .footer__nav {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .footer__nav {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }
}

.footer__col h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-5);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.footer__col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__col a {
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.footer__col a:hover {
    color: var(--color-accent);
    padding-left: var(--space-2);
}

.footer__contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: 0.9375rem;
}

.footer__contact svg {
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--color-accent);
}

.footer__bottom {
    padding: var(--space-6) 0;
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
    font-size: 0.875rem;
}

/* === FLOATING WHATSAPP === */
.wa-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: linear-gradient(135deg, var(--color-wa) 0%, var(--color-wa-hover) 100%);
    color: var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
    animation: pulse-wa 3s infinite;
}

.wa-float:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

.wa-float__label {
    display: none;
    font-weight: 600;
    font-size: 0.9375rem;
}

@media (min-width: 768px) {
    .wa-float {
        padding: var(--space-4) var(--space-6);
    }

    .wa-float__label {
        display: block;
    }
}

@keyframes pulse-wa {

    0%,
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }

    50% {
        box-shadow: 0 4px 40px rgba(37, 211, 102, 0.6);
    }
}

/* === PAGE HEADER (Inner Pages) === */
.page-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -25%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.page-header p {
    color: var(--color-gray-400);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.125rem;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-4);
}

.breadcrumb a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

/* Mobile Page Header */
@media (max-width: 480px) {
    .page-header {
        padding: calc(var(--header-height) + var(--space-8)) 0 var(--space-10);
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .page-header p {
        font-size: 0.9375rem;
    }

    .breadcrumb {
        font-size: 0.75rem;
    }
}

@media (min-width: 481px) and (max-width: 767px) {
    .page-header {
        padding: calc(var(--header-height) + var(--space-10)) 0 var(--space-12);
    }

    .page-header h1 {
        font-size: 1.75rem;
    }

    .page-header p {
        font-size: 1rem;
    }
}

/* === GALLERY === */
.gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 480px) {
    .gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .gallery {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-5);
    }
}

.gallery__item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery__item:hover img {
    transform: scale(1.08);
}

/* === LIGHTBOX === */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.97);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
}

.lightbox.active {
    display: flex;
}

.lightbox__img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: var(--radius-lg);
}

.lightbox__close {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-size: 1.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lightbox__close:hover {
    background: var(--color-accent);
    color: var(--color-primary);
}

/* === SERVICE DETAIL === */
.service-detail {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    align-items: center;
    padding: var(--space-10) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

@media (min-width: 768px) {
    .service-detail {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }

    .service-detail:nth-child(even) .service-detail__img {
        order: 2;
    }
}

.service-detail:last-child {
    border-bottom: none;
}

.service-detail__img {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-detail__img img {
    width: 100%;
    height: auto;
}

.service-detail__content h3 {
    margin-bottom: var(--space-4);
}

.service-detail__content p {
    color: var(--color-gray-600);
}

.service-detail__features {
    margin: var(--space-6) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.service-detail__features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.9375rem;
    color: var(--color-gray-700);
}

.service-detail__features svg {
    color: var(--color-accent-dark);
    flex-shrink: 0;
}

/* === FAQ === */
.faq__list {
    max-width: 760px;
    margin: 0 auto;
}

.faq__item {
    border-bottom: 1px solid var(--color-gray-200);
}

.faq__question {
    width: 100%;
    padding: var(--space-5) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.faq__question:hover {
    color: var(--color-accent-dark);
}

.faq__question svg {
    transition: transform var(--transition-base);
    color: var(--color-accent-dark);
}

.faq__item.active .faq__question svg {
    transform: rotate(180deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq__item.active .faq__answer {
    max-height: 300px;
}

.faq__answer p {
    padding-bottom: var(--space-5);
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

/* === ABOUT === */
.about__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 768px) {
    .about__grid {
        grid-template-columns: 1fr 1fr;
    }
}

.about__img {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about__img img {
    width: 100%;
    height: auto;
}

.about__badge {
    position: absolute;
    bottom: var(--space-6);
    left: var(--space-6);
    background: var(--color-white);
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.about__badge strong {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.about__badge span {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.about__content h2 {
    margin-bottom: var(--space-5);
}

.about__content p {
    color: var(--color-gray-600);
}

.about__features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin: var(--space-8) 0;
}

@media (max-width: 480px) {
    .about__features {
        grid-template-columns: 1fr;
    }
}

.about__feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--color-gray-700);
}

.about__feature svg {
    color: var(--color-accent-dark);
    flex-shrink: 0;
}

/* === CONTACT === */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
}

@media (min-width: 768px) {
    .contact__grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact__info {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    color: var(--color-white);
}

@media (max-width: 480px) {
    .contact__info {
        padding: var(--space-6);
        border-radius: var(--radius-xl);
    }
}

.contact__info h3 {
    color: var(--color-white);
    margin-bottom: var(--space-6);
}

@media (max-width: 480px) {
    .contact__info h3 {
        font-size: 1.25rem;
        margin-bottom: var(--space-4);
    }
}

.contact__item {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

@media (max-width: 480px) {
    .contact__item {
        gap: var(--space-3);
        margin-bottom: var(--space-4);
    }
}

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

@media (max-width: 480px) {
    .contact__item:last-of-type {
        margin-bottom: var(--space-6);
    }
}

.contact__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 215, 0, 0.15);
    color: var(--color-accent);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

@media (max-width: 480px) {
    .contact__icon {
        width: 44px;
        height: 44px;
    }

    .contact__icon svg {
        width: 20px;
        height: 20px;
    }
}

.contact__text h4 {
    font-size: 1rem;
    color: var(--color-white);
    margin-bottom: var(--space-1);
}

@media (max-width: 480px) {
    .contact__text h4 {
        font-size: 0.9375rem;
    }
}

.contact__text p {
    font-size: 0.9375rem;
    color: var(--color-gray-300);
    margin: 0;
    word-break: break-word;
}

@media (max-width: 480px) {
    .contact__text p {
        font-size: 0.875rem;
    }
}

.contact__wa-btn {
    width: 100%;
}

@media (max-width: 480px) {
    .contact__wa-btn {
        padding: var(--space-4) var(--space-5);
        font-size: 0.9375rem;
    }
}

.contact__map {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    min-height: 450px;
    box-shadow: var(--shadow-lg);
}

@media (max-width: 480px) {
    .contact__map {
        min-height: 300px;
        border-radius: var(--radius-xl);
    }
}

.contact__map iframe {
    width: 100%;
    height: 100%;
    min-height: 450px;
    border: none;
}

@media (max-width: 480px) {
    .contact__map iframe {
        min-height: 300px;
    }
}

/* === FORM === */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form__label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
}

.form__input,
.form__textarea,
.form__select {
    padding: var(--space-4);
    font-size: 1rem;
    font-family: var(--font-sans);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    background: var(--color-white);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.15);
}

.form__textarea {
    min-height: 150px;
    resize: vertical;
}

/* === UTILITIES === */
.text-accent {
    color: var(--color-accent);
}

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

.mt-4 {
    margin-top: var(--space-4);
}

.mt-8 {
    margin-top: var(--space-8);
}

.mb-0 {
    margin-bottom: 0 !important;
}

/* === FILTER TABS === */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-10);
}

.filter-tab {
    padding: var(--space-3) var(--space-5);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-600);
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-tab:hover {
    background: var(--color-gray-200);
}

.filter-tab.active {
    background: var(--color-primary);
    color: var(--color-white);
}

/* === PROCESS STEPS === */
.process__steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    counter-reset: step;
}

@media (min-width: 640px) {
    .process__steps {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }
}

@media (min-width: 1024px) {
    .process__steps {
        grid-template-columns: repeat(4, 1fr);
    }
}

.process__step {
    position: relative;
    text-align: center;
    padding: var(--space-8) var(--space-6);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-100);
}

.process__step::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-primary);
    font-weight: 800;
    font-size: 1.125rem;
    border-radius: 50%;
    box-shadow: var(--shadow-gold);
}

.process__step h4 {
    margin-top: var(--space-4);
    margin-bottom: var(--space-2);
}

.process__step p {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    margin: 0;
}

/* === TESTIMONIAL === */
.testimonial__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
}

.testimonial-card {
    padding: var(--space-8);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-100);
    box-shadow: var(--shadow-sm);
}

.testimonial-card__stars {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
    color: var(--color-accent);
}

.testimonial-card__text {
    font-size: 1rem;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial-card__avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-card__name {
    font-weight: 600;
    color: var(--color-gray-800);
}

.testimonial-card__role {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}