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

:root {
    --gradient-1: #2E6F78;
    --gradient-2: #1AB3AD;
    --bg-main: #F5F9F9;
    --bg-section: #FFFFFF;
    --text-primary: #264653;
    --text-sub: #708D91;
    --teal: #00B8BF;
    --btn-bg: #005A64;
    --btn-bg-hover: #004850;
    --radius-section: 24px;
    --radius-button: 16px;
    --radius-sm: 12px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

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

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

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(245, 249, 249, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(46, 111, 120, 0.08);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 1.1rem;
}

.logo-icon-sm {
    width: 28px;
    height: 28px;
    font-size: 0.9rem;
    border-radius: 8px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-sub);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a.active {
    color: var(--text-primary);
    position: relative;
}

.nav-links a.active::after {
    content: "";
    position: absolute;
    bottom: -22px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    border-radius: 2px;
}

.nav-links a.nav-cta.active::after {
    display: none;
}

.nav-cta {
    background: var(--btn-bg);
    color: white !important;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    transition: background 0.2s, transform 0.2s !important;
}

.nav-cta:hover {
    background: var(--btn-bg-hover);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

/* ===== Language Picker ===== */
.lang-picker {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.lang-button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    color: var(--btn-bg);
    border: 1.5px solid var(--btn-bg);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.2s;
    line-height: 1;
}

.lang-button:hover {
    background: rgba(0, 90, 100, 0.06);
}

.lang-caret {
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    margin-left: 2px;
    transition: transform 0.2s;
}

.lang-picker.open .lang-caret {
    transform: rotate(180deg);
}

.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    background: #fff;
    border: 1px solid rgba(46, 111, 120, 0.12);
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    padding: 6px;
    display: none;
    z-index: 110;
}

.lang-picker.open .lang-menu {
    display: block;
}

.lang-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: transparent;
    border: none;
    text-align: left;
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.lang-option:hover {
    background: rgba(46, 111, 120, 0.06);
}

.lang-option.active {
    color: var(--btn-bg);
    font-weight: 700;
}

.lang-option-code {
    font-size: 0.75rem;
    color: var(--text-sub);
    font-weight: 600;
    letter-spacing: 0.04em;
}

.lang-option.active .lang-option-code {
    color: var(--btn-bg);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(46, 111, 120, 0.1), rgba(26, 179, 173, 0.1));
    color: var(--gradient-1);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-sub);
    max-width: 520px;
    line-height: 1.7;
    margin-bottom: 36px;
}

.hero-actions {
    margin-bottom: 48px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-family: var(--font);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--btn-bg);
    color: white;
    padding: 14px 28px;
    border-radius: var(--radius-button);
    font-size: 1rem;
    box-shadow: 0 4px 16px rgba(0, 90, 100, 0.25);
}

.btn-primary:hover {
    background: var(--btn-bg-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 90, 100, 0.3);
}

.btn-ghost {
    color: var(--text-primary);
    padding: 14px 22px;
    border-radius: var(--radius-button);
    font-size: 1rem;
    background: transparent;
    border: 1px solid rgba(46, 111, 120, 0.2);
}

.btn-ghost:hover {
    background: rgba(46, 111, 120, 0.06);
    border-color: rgba(46, 111, 120, 0.35);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.1rem;
    border-radius: 20px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 28px;
}

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

.stat-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--gradient-1);
    letter-spacing: -0.01em;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-sub);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: rgba(46, 111, 120, 0.15);
}

/* ===== Phone Frame (used in hero + sections) ===== */
.hero-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    perspective: 1000px;
}

.phone-frame {
    width: 280px;
    height: 580px;
    background: #0A0F0F;
    border-radius: 44px;
    padding: 10px;
    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    transform: rotateY(-8deg) rotateX(2deg);
    transition: transform 0.4s ease;
}

.phone-frame:hover {
    transform: rotateY(-2deg) rotateX(1deg);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-main);
    border-radius: 34px;
    overflow: hidden;
    position: relative;
}

.phone-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-gradient {
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(26, 179, 173, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* ===== Section Shared ===== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(46, 111, 120, 0.1), rgba(26, 179, 173, 0.1));
    color: var(--gradient-1);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-sub);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Features ===== */
.features {
    padding: 100px 0;
}

/* Spotlight: large feature with screenshots */
.feature-spotlight {
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    color: white;
    border-radius: var(--radius-section);
    padding: 56px;
    margin-bottom: 48px;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 48px;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.feature-pill {
    display: inline-block;
    background: rgba(255, 255, 255, 0.18);
    color: white;
    padding: 5px 14px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 18px;
}

.feature-spotlight-text h3 {
    font-size: 2.1rem;
    font-weight: 800;
    color: white;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.feature-spotlight-text > p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 24px;
}

.feature-checklist {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature-checklist li {
    position: relative;
    padding-left: 28px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.5;
}

.feature-checklist li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
    background-repeat: no-repeat;
    background-position: center;
}

.feature-spotlight-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 420px;
}

.screenshot-floating {
    width: 230px;
    border-radius: 26px;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.15);
    display: block;
    background: #000;
    z-index: 2;
    transform: rotate(-3deg);
}

.screenshot-floating-back {
    position: absolute;
    width: 200px;
    top: 60px;
    left: 12%;
    z-index: 1;
    transform: rotate(-10deg);
    opacity: 0.95;
}

/* Mini-spotlight: secondary feature highlight, lighter tone than main spotlight */
.feature-mini {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 48px;
    align-items: center;
    background: var(--bg-section);
    border: 1px solid rgba(46, 111, 120, 0.08);
    border-radius: var(--radius-section);
    padding: 40px 48px;
    margin-bottom: 32px;
}

.feature-mini-visual {
    display: flex;
    justify-content: center;
}

.feature-mini-visual img {
    width: 220px;
    border-radius: 28px;
    box-shadow:
        0 24px 60px rgba(0, 0, 0, 0.14),
        0 0 0 1px rgba(46, 111, 120, 0.06);
    display: block;
    background: #000;
}

.feature-mini-text h3 {
    font-size: 1.7rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-mini-text > p {
    font-size: 1rem;
    color: var(--text-sub);
    line-height: 1.65;
    margin-bottom: 18px;
}

.feature-pill-light {
    background: linear-gradient(135deg, rgba(46, 111, 120, 0.12), rgba(26, 179, 173, 0.12));
    color: var(--gradient-1);
}

.feature-checklist-light li {
    color: var(--text-primary);
}

.feature-checklist-light li::before {
    background: rgba(46, 111, 120, 0.1);
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%232E6F78' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
    background-repeat: no-repeat;
    background-position: center;
}

/* Grid of feature cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-section);
    border-radius: var(--radius-section);
    padding: 28px;
    border: 1px solid rgba(46, 111, 120, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.feature-card-visual {
    background: linear-gradient(135deg, rgba(46, 111, 120, 0.08), rgba(26, 179, 173, 0.08));
    border-radius: var(--radius-button);
    aspect-ratio: 4 / 3;
    overflow: hidden;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.feature-card-visual img {
    width: 60%;
    object-fit: cover;
    object-position: top;
    margin-top: 18px;
    border-radius: 18px 18px 0 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-sub);
    line-height: 1.6;
}

/* ===== Sharing ===== */
.sharing {
    padding: 100px 0;
    background: var(--bg-section);
}

.sharing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.sharing-card {
    background: var(--bg-main);
    border-radius: var(--radius-section);
    padding: 36px;
    border: 1px solid rgba(46, 111, 120, 0.06);
    display: flex;
    flex-direction: column;
    gap: 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sharing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.sharing-card-wide {
    grid-column: span 2;
    flex-direction: row;
    align-items: center;
    padding: 48px;
    background: linear-gradient(135deg, rgba(46, 111, 120, 0.06), rgba(26, 179, 173, 0.06));
}

.sharing-card-wide .sharing-card-text {
    flex: 1;
}

.sharing-card-text h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.sharing-card-text p {
    font-size: 0.98rem;
    color: var(--text-sub);
    line-height: 1.65;
}

.sharing-card-visual {
    background: var(--bg-section);
    border-radius: var(--radius-button);
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

.sharing-card-visual img {
    width: 100%;
    max-width: 280px;
    border-radius: 14px;
    display: block;
}

.sharing-card-wide .sharing-card-visual {
    flex: 1;
    background: transparent;
    box-shadow: none;
    padding: 0;
}

.sharing-card-wide .sharing-card-visual img {
    max-width: 320px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
    border-radius: 20px;
}

/* ===== How It Works ===== */
.how-it-works {
    padding: 100px 0 0;
    background: var(--bg-section);
}

.how-it-works .section-header {
    padding: 0 24px;
    margin-bottom: 24px;
}

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

.step {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    padding: 80px 24px;
}

.step-image-right .step-content { order: 1; }
.step-image-right .step-visual  { order: 2; }
.step-image-left  .step-visual  { order: 1; }
.step-image-left  .step-content { order: 2; }

/* Alternating background bands — even steps tint, odd inherit white section */
.step:nth-child(even) {
    background: var(--bg-main);
}

.step-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.step-content {
    max-width: 460px;
    justify-self: start;
}

.step-image-left .step-content {
    justify-self: start;
}

.step-image-right .step-content {
    justify-self: end;
}

.step-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-sub);
    margin-bottom: 14px;
}

.step-content h3 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.step-content p {
    font-size: 1.02rem;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 20px;
}

.step-checks {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.step-checks li {
    position: relative;
    padding-left: 28px;
    font-size: 0.97rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.step-checks li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 3px;
    width: 18px;
    height: 18px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%232E6F78' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
    background-repeat: no-repeat;
    background-position: center;
}

.step-visual {
    display: flex;
    justify-content: center;
}

.step-image-left .step-visual {
    justify-content: flex-end;
    padding-right: 20px;
}

.step-image-right .step-visual {
    justify-content: flex-start;
    padding-left: 20px;
}

.step-screenshot {
    width: 260px;
    max-width: 100%;
    border-radius: 32px;
    box-shadow:
        0 30px 70px rgba(0, 0, 0, 0.14),
        0 0 0 1px rgba(46, 111, 120, 0.08);
    transition: transform 0.3s ease;
    display: block;
    background: #000;
}

.step:hover .step-screenshot {
    transform: translateY(-4px);
}

/* ===== Pro ===== */
.pro {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-section) 0%, rgba(46, 111, 120, 0.04) 100%);
}

.pro-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}

.pro-tag {
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    color: white;
}

.pro-header h2 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.pro-header p {
    font-size: 1.1rem;
    color: var(--text-sub);
    line-height: 1.7;
}

.pro-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.pro-grid-2x2 {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.pro-card {
    background: var(--bg-section);
    border-radius: var(--radius-section);
    padding: 32px;
    border: 1px solid rgba(46, 111, 120, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.pro-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.08);
}

.pro-card-visual {
    background: linear-gradient(135deg, rgba(46, 111, 120, 0.08), rgba(26, 179, 173, 0.08));
    border-radius: var(--radius-button);
    padding: 20px 20px 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.pro-card-visual img {
    width: 70%;
    border-radius: 16px 16px 0 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    display: block;
}

/* Icon-only visual (for features without a real screenshot) */
.pro-card-visual.pro-card-visual-icon {
    position: relative;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    color: white;
    padding: 0;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.pro-card-visual.pro-card-visual-icon svg {
    width: 96px;
    height: 96px;
    position: relative;
    z-index: 3;
    filter: drop-shadow(0 8px 22px rgba(0, 0, 0, 0.35));
}

.pro-card-visual.pro-card-visual-icon::before,
.pro-card-visual.pro-card-visual-icon::after,
.pro-card-pulse {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 120px;
    height: 120px;
    margin-left: -60px;
    margin-top: -60px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.06);
    animation: proRadarPulse 2.6s cubic-bezier(0.2, 0.7, 0.4, 1) infinite;
    z-index: 1;
}

.pro-card-visual.pro-card-visual-icon::after {
    animation-delay: 0.9s;
}

.pro-card-pulse {
    animation-delay: 1.8s;
}

@keyframes proRadarPulse {
    0%   { transform: scale(0.4); opacity: 0.9; }
    100% { transform: scale(2.4); opacity: 0; }
}

.pro-card-text h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.pro-card-text p {
    font-size: 0.95rem;
    color: var(--text-sub);
    line-height: 1.6;
}

.pro-cta {
    text-align: center;
    margin-top: 40px;
    color: var(--text-sub);
    font-size: 1rem;
}

/* ===== Privacy ===== */
.privacy {
    padding: 100px 0;
}

.privacy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.privacy-text .section-tag {
    margin-bottom: 16px;
}

.privacy-text h2 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.privacy-text > p {
    font-size: 1.05rem;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 36px;
}

.privacy-points {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 28px;
}

.privacy-point {
    display: flex;
    align-items: center;
    gap: 14px;
}

.privacy-check {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, rgba(46, 111, 120, 0.08), rgba(26, 179, 173, 0.08));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gradient-1);
    flex-shrink: 0;
}

.privacy-point span {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.privacy-link {
    display: inline-block;
    color: var(--gradient-1);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.95rem;
    transition: transform 0.2s;
}

.privacy-link:hover {
    transform: translateX(4px);
}

.privacy-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.shield-icon {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, rgba(46, 111, 120, 0.06), rgba(26, 179, 173, 0.06));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gradient-1);
    animation: shieldPulse 3s ease-in-out infinite;
}

@keyframes shieldPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(46, 111, 120, 0.1); }
    50% { transform: scale(1.03); box-shadow: 0 0 0 20px rgba(46, 111, 120, 0); }
}

/* ===== Download ===== */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    text-align: center;
}

.download-content h2 {
    font-size: 2.8rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.download-content > p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
}

.download .btn-primary {
    background: white;
    color: var(--gradient-1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.download .btn-primary:hover {
    background: #f0f8f8;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.download-note {
    margin-top: 20px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ===== Footer ===== */
.footer {
    padding: 40px 0;
    background: var(--bg-section);
    border-top: 1px solid rgba(46, 111, 120, 0.06);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-sub);
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-sub);
}

/* ===== Page Hero (subpages) ===== */
.page-hero {
    padding: 140px 0 60px;
    text-align: center;
    position: relative;
    background:
        radial-gradient(circle at 80% -10%, rgba(26, 179, 173, 0.10) 0%, transparent 50%),
        radial-gradient(circle at 0% 100%, rgba(46, 111, 120, 0.08) 0%, transparent 50%),
        var(--bg-main);
    border-bottom: 1px solid rgba(46, 111, 120, 0.06);
}

.page-hero .section-tag {
    margin-bottom: 18px;
}

.page-hero h1 {
    font-size: 3.4rem;
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 18px;
    color: var(--text-primary);
}

.page-hero p {
    font-size: 1.15rem;
    color: var(--text-sub);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Subpages: trim section padding since they have a page-hero on top */
.features-page,
.sharing-page,
.pro-page {
    padding: 80px 0 100px;
}

.how-it-works-page {
    padding: 40px 0 0;
}

/* ===== Home page section teasers ===== */
.teasers {
    padding: 100px 0;
    background: var(--bg-section);
}

.teaser-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.teaser-card {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 24px;
    background: var(--bg-main);
    border-radius: var(--radius-section);
    padding: 24px;
    border: 1px solid rgba(46, 111, 120, 0.06);
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    align-items: center;
}

.teaser-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.06);
    border-color: rgba(46, 111, 120, 0.16);
}

.teaser-visual {
    background: linear-gradient(135deg, rgba(46, 111, 120, 0.08), rgba(26, 179, 173, 0.08));
    border-radius: var(--radius-button);
    aspect-ratio: 4 / 5;
    overflow: hidden;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 16px 16px 0;
}

.teaser-visual img {
    width: 90%;
    border-radius: 14px 14px 0 0;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.14);
    display: block;
}

.teaser-body h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.teaser-body p {
    font-size: 0.95rem;
    color: var(--text-sub);
    line-height: 1.55;
    margin-bottom: 14px;
}

.teaser-link {
    color: var(--gradient-1);
    font-weight: 600;
    font-size: 0.92rem;
    transition: transform 0.2s;
    display: inline-block;
}

.teaser-card:hover .teaser-link {
    transform: translateX(4px);
}

/* ===== Scroll Animations ===== */
.feature-card,
.step,
.privacy-point,
.sharing-card,
.pro-card,
.teaser-card {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.feature-card.visible,
.step.visible,
.privacy-point.visible,
.sharing-card.visible,
.pro-card.visible,
.teaser-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.teaser-card:nth-child(2) { transition-delay: 0.08s; }
.teaser-card:nth-child(3) { transition-delay: 0.16s; }
.teaser-card:nth-child(4) { transition-delay: 0.24s; }

/* Stagger delays for grid items */
.feature-card:nth-child(2) { transition-delay: 0.08s; }
.feature-card:nth-child(3) { transition-delay: 0.16s; }
.feature-card:nth-child(4) { transition-delay: 0.08s; }
.feature-card:nth-child(5) { transition-delay: 0.16s; }
.feature-card:nth-child(6) { transition-delay: 0.24s; }

.step:nth-child(2) { transition-delay: 0.1s; }
.step:nth-child(3) { transition-delay: 0.2s; }

.privacy-point:nth-child(2) { transition-delay: 0.1s; }
.privacy-point:nth-child(3) { transition-delay: 0.2s; }
.privacy-point:nth-child(4) { transition-delay: 0.3s; }

.sharing-card:nth-child(2) { transition-delay: 0.1s; }
.sharing-card:nth-child(3) { transition-delay: 0.2s; }

.pro-card:nth-child(2) { transition-delay: 0.1s; }
.pro-card:nth-child(3) { transition-delay: 0.2s; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3rem;
    }

    .section-header h2,
    .privacy-text h2,
    .download-content h2,
    .pro-header h2 {
        font-size: 2.2rem;
    }

    .features-grid,
    .pro-grid,
    .pro-grid-2x2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-spotlight {
        grid-template-columns: 1fr;
        padding: 40px;
    }

    .feature-spotlight-visual {
        min-height: 360px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(245, 249, 249, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid rgba(46, 111, 120, 0.08);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }

    .hero h1 {
        font-size: 2.6rem;
    }

    .hero-subtitle {
        margin: 0 auto 36px;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .phone-frame {
        transform: none;
        width: 240px;
        height: 500px;
    }

    .phone-frame:hover {
        transform: none;
    }

    .features-grid,
    .pro-grid,
    .pro-grid-2x2,
    .teaser-grid {
        grid-template-columns: 1fr;
    }

    .teaser-card {
        grid-template-columns: 140px 1fr;
        padding: 20px;
    }

    .page-hero h1 {
        font-size: 2.4rem;
    }

    .feature-spotlight {
        padding: 32px;
    }

    .feature-spotlight-text h3 {
        font-size: 1.6rem;
    }

    .feature-mini {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 32px;
        text-align: center;
    }

    .feature-mini-text h3 {
        font-size: 1.4rem;
    }

    .feature-checklist-light {
        text-align: left;
        max-width: 360px;
        margin: 0 auto;
    }

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

    .sharing-card-wide {
        grid-column: span 1;
        flex-direction: column;
        padding: 36px;
    }

    .step {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        padding: 56px 24px;
    }

    .step-image-right .step-content,
    .step-image-left .step-content {
        order: 2;
        justify-self: center;
        max-width: 520px;
    }

    .step-image-right .step-visual,
    .step-image-left .step-visual {
        order: 1;
        justify-content: center;
        padding: 0;
    }

    .step-content p {
        margin-left: auto;
        margin-right: auto;
    }

    .step-checks {
        max-width: 360px;
        margin: 0 auto;
        text-align: left;
    }

    .step-content h3 {
        font-size: 1.6rem;
    }

    .step-screenshot {
        width: 240px;
    }

    .privacy-content {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }

    .privacy-points {
        align-items: center;
    }

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

@media (max-width: 480px) {
    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .section-header h2,
    .privacy-text h2,
    .download-content h2,
    .pro-header h2 {
        font-size: 1.8rem;
    }

    .hero-stats {
        gap: 16px;
    }

    .stat-value {
        font-size: 1.15rem;
    }

    .screenshot-floating {
        width: 180px;
    }

    .screenshot-floating-back {
        width: 150px;
    }
}